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Finding the Fourth Proportional to 123,421.92, 185,008.24 and 48,594.58

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Solution

The fourth proportional to 123,421.92, 185,008.24 and 48,594.58 is: 72,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,421.92 : 185,008.24 = 48,594.58 : x
  2. Step 2: Convert to fraction form
    123,421.92/185,008.24 = 48,594.58/x
  3. Step 3: Cross multiply
    123,421.92x = 185,008.24 × 48,594.58
  4. Step 4: Simplify right side
    123,421.92x = 8,990,397,719.34
  5. Step 5: Solve for x
    x = 8,990,397,719.34/123,421.92
  6. Step 6: Final answer
    x = 72,842.80

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1.5x scale

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.