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Finding the Fourth Proportional to 129,017.60, 193,526.40 and 97,524.80

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Solution

The fourth proportional to 129,017.60, 193,526.40 and 97,524.80 is: 146,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,017.60 : 193,526.40 = 97,524.80 : x
  2. Step 2: Convert to fraction form
    129,017.60/193,526.40 = 97,524.80/x
  3. Step 3: Cross multiply
    129,017.60x = 193,526.40 × 97,524.80
  4. Step 4: Simplify right side
    129,017.60x = 18,873,623,454.72
  5. Step 5: Solve for x
    x = 18,873,623,454.72/129,017.60
  6. Step 6: Final answer
    x = 146,287.20

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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.