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Finding the Fourth Proportional to 96,381.60, 144,507.60 and 51,410.40

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Solution

The fourth proportional to 96,381.60, 144,507.60 and 51,410.40 is: 77,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,381.60 : 144,507.60 = 51,410.40 : x
  2. Step 2: Convert to fraction form
    96,381.60/144,507.60 = 51,410.40/x
  3. Step 3: Cross multiply
    96,381.60x = 144,507.60 × 51,410.40
  4. Step 4: Simplify right side
    96,381.60x = 7,429,193,519.04
  5. Step 5: Solve for x
    x = 7,429,193,519.04/96,381.60
  6. Step 6: Final answer
    x = 77,081.04

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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.