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Finding the Fourth Proportional to 119,788,897.80, 179,683,346.70 and 107,023,816.20

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Solution

The fourth proportional to 119,788,897.80, 179,683,346.70 and 107,023,816.20 is: 160,535,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788,897.80 : 179,683,346.70 = 107,023,816.20 : x
  2. Step 2: Convert to fraction form
    119,788,897.80/179,683,346.70 = 107,023,816.20/x
  3. Step 3: Cross multiply
    119,788,897.80x = 179,683,346.70 × 107,023,816.20
  4. Step 4: Simplify right side
    119,788,897.80x = 19,230,397,471,421,676
  5. Step 5: Solve for x
    x = 19,230,397,471,421,676/119,788,897.80
  6. Step 6: Final answer
    x = 160,535,724.30

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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.