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Finding the Fourth Proportional to 158,434.80, 237,652.20 and 102,447.60

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Solution

The fourth proportional to 158,434.80, 237,652.20 and 102,447.60 is: 153,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,434.80 : 237,652.20 = 102,447.60 : x
  2. Step 2: Convert to fraction form
    158,434.80/237,652.20 = 102,447.60/x
  3. Step 3: Cross multiply
    158,434.80x = 237,652.20 × 102,447.60
  4. Step 4: Simplify right side
    158,434.80x = 24,346,897,524.72
  5. Step 5: Solve for x
    x = 24,346,897,524.72/158,434.80
  6. Step 6: Final answer
    x = 153,671.40

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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.