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Finding the Fourth Proportional to 124,325.92, 171,582.08 and 75,925.12

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Solution

The fourth proportional to 124,325.92, 171,582.08 and 75,925.12 is: 104,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,325.92 : 171,582.08 = 75,925.12 : x
  2. Step 2: Convert to fraction form
    124,325.92/171,582.08 = 75,925.12/x
  3. Step 3: Cross multiply
    124,325.92x = 171,582.08 × 75,925.12
  4. Step 4: Simplify right side
    124,325.92x = 13,027,390,013.85
  5. Step 5: Solve for x
    x = 13,027,390,013.85/124,325.92
  6. Step 6: Final answer
    x = 104,784.18

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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.