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Finding the Fourth Proportional to 365,131.80, 547,697.70 and 98,925.30

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Solution

The fourth proportional to 365,131.80, 547,697.70 and 98,925.30 is: 148,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,131.80 : 547,697.70 = 98,925.30 : x
  2. Step 2: Convert to fraction form
    365,131.80/547,697.70 = 98,925.30/x
  3. Step 3: Cross multiply
    365,131.80x = 547,697.70 × 98,925.30
  4. Step 4: Simplify right side
    365,131.80x = 54,181,159,281.81
  5. Step 5: Solve for x
    x = 54,181,159,281.81/365,131.80
  6. Step 6: Final answer
    x = 148,387.95

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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.