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Finding the Fourth Proportional to 65,118,207.60, 97,593,330.60 and 49,896,687.60

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Solution

The fourth proportional to 65,118,207.60, 97,593,330.60 and 49,896,687.60 is: 74,780,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,118,207.60 : 97,593,330.60 = 49,896,687.60 : x
  2. Step 2: Convert to fraction form
    65,118,207.60/97,593,330.60 = 49,896,687.60/x
  3. Step 3: Cross multiply
    65,118,207.60x = 97,593,330.60 × 49,896,687.60
  4. Step 4: Simplify right side
    65,118,207.60x = 4,869,583,928,791,720
  5. Step 5: Solve for x
    x = 4,869,583,928,791,720/65,118,207.60
  6. Step 6: Final answer
    x = 74,780,681.29

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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.