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Finding the Fourth Proportional to 118,025,863, 162,875,691 and 69,133,291

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Solution

The fourth proportional to 118,025,863, 162,875,691 and 69,133,291 is: 95,403,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,025,863 : 162,875,691 = 69,133,291 : x
  2. Step 2: Convert to fraction form
    118,025,863/162,875,691 = 69,133,291/x
  3. Step 3: Cross multiply
    118,025,863x = 162,875,691 × 69,133,291
  4. Step 4: Simplify right side
    118,025,863x = 11,260,132,542,729,080
  5. Step 5: Solve for x
    x = 11,260,132,542,729,080/118,025,863
  6. Step 6: Final answer
    x = 95,403,941.62

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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.