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Finding the Fourth Proportional to 61,443,914.60, 92,165,871.90 and 51,590,167.40

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Solution

The fourth proportional to 61,443,914.60, 92,165,871.90 and 51,590,167.40 is: 77,385,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,443,914.60 : 92,165,871.90 = 51,590,167.40 : x
  2. Step 2: Convert to fraction form
    61,443,914.60/92,165,871.90 = 51,590,167.40/x
  3. Step 3: Cross multiply
    61,443,914.60x = 92,165,871.90 × 51,590,167.40
  4. Step 4: Simplify right side
    61,443,914.60x = 4,754,852,759,887,956
  5. Step 5: Solve for x
    x = 4,754,852,759,887,956/61,443,914.60
  6. Step 6: Final answer
    x = 77,385,251.10

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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.