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Finding the Fourth Proportional to 124,857,657.60, 187,286,486.40 and 124,857,657.60

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Solution

The fourth proportional to 124,857,657.60, 187,286,486.40 and 124,857,657.60 is: 187,286,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857,657.60 : 187,286,486.40 = 124,857,657.60 : x
  2. Step 2: Convert to fraction form
    124,857,657.60/187,286,486.40 = 124,857,657.60/x
  3. Step 3: Cross multiply
    124,857,657.60x = 187,286,486.40 × 124,857,657.60
  4. Step 4: Simplify right side
    124,857,657.60x = 23,384,151,992,038,256
  5. Step 5: Solve for x
    x = 23,384,151,992,038,256/124,857,657.60
  6. Step 6: Final answer
    x = 187,286,486.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.