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Finding the Fourth Proportional to 97,416.60, 146,124.90 and 38,254.20

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Solution

The fourth proportional to 97,416.60, 146,124.90 and 38,254.20 is: 57,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,416.60 : 146,124.90 = 38,254.20 : x
  2. Step 2: Convert to fraction form
    97,416.60/146,124.90 = 38,254.20/x
  3. Step 3: Cross multiply
    97,416.60x = 146,124.90 × 38,254.20
  4. Step 4: Simplify right side
    97,416.60x = 5,589,891,149.58
  5. Step 5: Solve for x
    x = 5,589,891,149.58/97,416.60
  6. Step 6: Final answer
    x = 57,381.30

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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.