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Finding the Fourth Proportional to 65,047,959.68, 89,766,329.97 and 37,545,866.06

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Solution

The fourth proportional to 65,047,959.68, 89,766,329.97 and 37,545,866.06 is: 51,813,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,047,959.68 : 89,766,329.97 = 37,545,866.06 : x
  2. Step 2: Convert to fraction form
    65,047,959.68/89,766,329.97 = 37,545,866.06/x
  3. Step 3: Cross multiply
    65,047,959.68x = 89,766,329.97 × 37,545,866.06
  4. Step 4: Simplify right side
    65,047,959.68x = 3,370,354,601,302,552
  5. Step 5: Solve for x
    x = 3,370,354,601,302,552/65,047,959.68
  6. Step 6: Final answer
    x = 51,813,379.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.