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Finding the Fourth Proportional to 95,998.40, 144,019.20 and 56,535.20

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Solution

The fourth proportional to 95,998.40, 144,019.20 and 56,535.20 is: 84,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,998.40 : 144,019.20 = 56,535.20 : x
  2. Step 2: Convert to fraction form
    95,998.40/144,019.20 = 56,535.20/x
  3. Step 3: Cross multiply
    95,998.40x = 144,019.20 × 56,535.20
  4. Step 4: Simplify right side
    95,998.40x = 8,142,154,275.84
  5. Step 5: Solve for x
    x = 8,142,154,275.84/95,998.40
  6. Step 6: Final answer
    x = 84,815.52

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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.