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Finding the Fourth Proportional to 112,351.08, 155,043.54 and 62,049

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Solution

The fourth proportional to 112,351.08, 155,043.54 and 62,049 is: 85,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,351.08 : 155,043.54 = 62,049 : x
  2. Step 2: Convert to fraction form
    112,351.08/155,043.54 = 62,049/x
  3. Step 3: Cross multiply
    112,351.08x = 155,043.54 × 62,049
  4. Step 4: Simplify right side
    112,351.08x = 9,620,296,613.46
  5. Step 5: Solve for x
    x = 9,620,296,613.46/112,351.08
  6. Step 6: Final answer
    x = 85,627.10

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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.