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Finding the Fourth Proportional to 144,015.52, 215,794.86 and 104,387.08

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Solution

The fourth proportional to 144,015.52, 215,794.86 and 104,387.08 is: 156,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,015.52 : 215,794.86 = 104,387.08 : x
  2. Step 2: Convert to fraction form
    144,015.52/215,794.86 = 104,387.08/x
  3. Step 3: Cross multiply
    144,015.52x = 215,794.86 × 104,387.08
  4. Step 4: Simplify right side
    144,015.52x = 22,526,195,314.41
  5. Step 5: Solve for x
    x = 22,526,195,314.41/144,015.52
  6. Step 6: Final answer
    x = 156,415.05

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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.