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Finding the Fourth Proportional to 100,885,061.20, 151,088,443.35 and 100,885,061.20

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Solution

The fourth proportional to 100,885,061.20, 151,088,443.35 and 100,885,061.20 is: 151,088,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,885,061.20 : 151,088,443.35 = 100,885,061.20 : x
  2. Step 2: Convert to fraction form
    100,885,061.20/151,088,443.35 = 100,885,061.20/x
  3. Step 3: Cross multiply
    100,885,061.20x = 151,088,443.35 × 100,885,061.20
  4. Step 4: Simplify right side
    100,885,061.20x = 15,242,566,853,977,482
  5. Step 5: Solve for x
    x = 15,242,566,853,977,482/100,885,061.20
  6. Step 6: Final answer
    x = 151,088,443.35

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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.