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Finding the Fourth Proportional to 64,369,937.60, 96,554,906.40 and 57,354,916.40

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Solution

The fourth proportional to 64,369,937.60, 96,554,906.40 and 57,354,916.40 is: 86,032,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369,937.60 : 96,554,906.40 = 57,354,916.40 : x
  2. Step 2: Convert to fraction form
    64,369,937.60/96,554,906.40 = 57,354,916.40/x
  3. Step 3: Cross multiply
    64,369,937.60x = 96,554,906.40 × 57,354,916.40
  4. Step 4: Simplify right side
    64,369,937.60x = 5,537,898,584,581,825
  5. Step 5: Solve for x
    x = 5,537,898,584,581,825/64,369,937.60
  6. Step 6: Final answer
    x = 86,032,374.60

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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.