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Finding the Fourth Proportional to 152,997.60, 229,496.40 and 53,124.60

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Solution

The fourth proportional to 152,997.60, 229,496.40 and 53,124.60 is: 79,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,997.60 : 229,496.40 = 53,124.60 : x
  2. Step 2: Convert to fraction form
    152,997.60/229,496.40 = 53,124.60/x
  3. Step 3: Cross multiply
    152,997.60x = 229,496.40 × 53,124.60
  4. Step 4: Simplify right side
    152,997.60x = 12,191,904,451.44
  5. Step 5: Solve for x
    x = 12,191,904,451.44/152,997.60
  6. Step 6: Final answer
    x = 79,686.90

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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.