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Finding the Fourth Proportional to 365,062.64, 547,613.28 and 112,516.58

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Solution

The fourth proportional to 365,062.64, 547,613.28 and 112,516.58 is: 168,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,062.64 : 547,613.28 = 112,516.58 : x
  2. Step 2: Convert to fraction form
    365,062.64/547,613.28 = 112,516.58/x
  3. Step 3: Cross multiply
    365,062.64x = 547,613.28 × 112,516.58
  4. Step 4: Simplify right side
    365,062.64x = 61,615,570,690.12
  5. Step 5: Solve for x
    x = 61,615,570,690.12/365,062.64
  6. Step 6: Final answer
    x = 168,780.82

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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.