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Finding the Fourth Proportional to 101,537,287.32, 152,303,024.32 and 28,753,895.88

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Solution

The fourth proportional to 101,537,287.32, 152,303,024.32 and 28,753,895.88 is: 43,130,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,537,287.32 : 152,303,024.32 = 28,753,895.88 : x
  2. Step 2: Convert to fraction form
    101,537,287.32/152,303,024.32 = 28,753,895.88/x
  3. Step 3: Cross multiply
    101,537,287.32x = 152,303,024.32 × 28,753,895.88
  4. Step 4: Simplify right side
    101,537,287.32x = 4,379,305,303,506,387.50
  5. Step 5: Solve for x
    x = 4,379,305,303,506,387.50/101,537,287.32
  6. Step 6: Final answer
    x = 43,130,020.70

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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.