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Finding the Fourth Proportional to 112,993.60, 155,925.92 and 62,005.08

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Solution

The fourth proportional to 112,993.60, 155,925.92 and 62,005.08 is: 85,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993.60 : 155,925.92 = 62,005.08 : x
  2. Step 2: Convert to fraction form
    112,993.60/155,925.92 = 62,005.08/x
  3. Step 3: Cross multiply
    112,993.60x = 155,925.92 × 62,005.08
  4. Step 4: Simplify right side
    112,993.60x = 9,668,199,143.67
  5. Step 5: Solve for x
    x = 9,668,199,143.67/112,993.60
  6. Step 6: Final answer
    x = 85,564.13

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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.