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Finding the Fourth Proportional to 193,135.60, 289,703.40 and 193,135.60

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Solution

The fourth proportional to 193,135.60, 289,703.40 and 193,135.60 is: 289,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,135.60 : 289,703.40 = 193,135.60 : x
  2. Step 2: Convert to fraction form
    193,135.60/289,703.40 = 193,135.60/x
  3. Step 3: Cross multiply
    193,135.60x = 289,703.40 × 193,135.60
  4. Step 4: Simplify right side
    193,135.60x = 55,952,039,981.04
  5. Step 5: Solve for x
    x = 55,952,039,981.04/193,135.60
  6. Step 6: Final answer
    x = 289,703.40

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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.