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Finding the Fourth Proportional to 106,572,077.60, 159,858,116.40 and 106,572,077.60

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Solution

The fourth proportional to 106,572,077.60, 159,858,116.40 and 106,572,077.60 is: 159,858,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,572,077.60 : 159,858,116.40 = 106,572,077.60 : x
  2. Step 2: Convert to fraction form
    106,572,077.60/159,858,116.40 = 106,572,077.60/x
  3. Step 3: Cross multiply
    106,572,077.60x = 159,858,116.40 × 106,572,077.60
  4. Step 4: Simplify right side
    106,572,077.60x = 17,036,411,585,970,632
  5. Step 5: Solve for x
    x = 17,036,411,585,970,632/106,572,077.60
  6. Step 6: Final answer
    x = 159,858,116.40

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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.