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Finding the Fourth Proportional to 176,618.83, 243,691.32 and 112,064.53

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Solution

The fourth proportional to 176,618.83, 243,691.32 and 112,064.53 is: 154,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,618.83 : 243,691.32 = 112,064.53 : x
  2. Step 2: Convert to fraction form
    176,618.83/243,691.32 = 112,064.53/x
  3. Step 3: Cross multiply
    176,618.83x = 243,691.32 × 112,064.53
  4. Step 4: Simplify right side
    176,618.83x = 27,309,153,240.88
  5. Step 5: Solve for x
    x = 27,309,153,240.88/176,618.83
  6. Step 6: Final answer
    x = 154,621.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.