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Finding the Fourth Proportional to 124,457,002.05, 186,326,780.40 and 124,457,002.05

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Solution

The fourth proportional to 124,457,002.05, 186,326,780.40 and 124,457,002.05 is: 186,326,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,457,002.05 : 186,326,780.40 = 124,457,002.05 : x
  2. Step 2: Convert to fraction form
    124,457,002.05/186,326,780.40 = 124,457,002.05/x
  3. Step 3: Cross multiply
    124,457,002.05x = 186,326,780.40 × 124,457,002.05
  4. Step 4: Simplify right side
    124,457,002.05x = 23,189,672,490,212,700
  5. Step 5: Solve for x
    x = 23,189,672,490,212,700/124,457,002.05
  6. Step 6: Final answer
    x = 186,326,780.40

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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.