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Finding the Fourth Proportional to 365,275.55, 547,967.76 and 112,534.90

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Solution

The fourth proportional to 365,275.55, 547,967.76 and 112,534.90 is: 168,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,275.55 : 547,967.76 = 112,534.90 : x
  2. Step 2: Convert to fraction form
    365,275.55/547,967.76 = 112,534.90/x
  3. Step 3: Cross multiply
    365,275.55x = 547,967.76 × 112,534.90
  4. Step 4: Simplify right side
    365,275.55x = 61,665,497,074.82
  5. Step 5: Solve for x
    x = 61,665,497,074.82/365,275.55
  6. Step 6: Final answer
    x = 168,819.12

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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.