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Finding the Fourth Proportional to 96,039.20, 144,080.40 and 29,482.40

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Solution

The fourth proportional to 96,039.20, 144,080.40 and 29,482.40 is: 44,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,039.20 : 144,080.40 = 29,482.40 : x
  2. Step 2: Convert to fraction form
    96,039.20/144,080.40 = 29,482.40/x
  3. Step 3: Cross multiply
    96,039.20x = 144,080.40 × 29,482.40
  4. Step 4: Simplify right side
    96,039.20x = 4,247,835,984.96
  5. Step 5: Solve for x
    x = 4,247,835,984.96/96,039.20
  6. Step 6: Final answer
    x = 44,230.23

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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.