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Finding the Fourth Proportional to 359,734,785.81, 539,653,652.39 and 110,761,109.13

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Solution

The fourth proportional to 359,734,785.81, 539,653,652.39 and 110,761,109.13 is: 166,157,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,734,785.81 : 539,653,652.39 = 110,761,109.13 : x
  2. Step 2: Convert to fraction form
    359,734,785.81/539,653,652.39 = 110,761,109.13/x
  3. Step 3: Cross multiply
    359,734,785.81x = 539,653,652.39 × 110,761,109.13
  4. Step 4: Simplify right side
    359,734,785.81x = 59,772,637,084,218,064
  5. Step 5: Solve for x
    x = 59,772,637,084,218,064/359,734,785.81
  6. Step 6: Final answer
    x = 166,157,512.26

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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.