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Finding the Fourth Proportional to 143,575.91, 215,411.82 and 63,603.02

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Solution

The fourth proportional to 143,575.91, 215,411.82 and 63,603.02 is: 95,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,575.91 : 215,411.82 = 63,603.02 : x
  2. Step 2: Convert to fraction form
    143,575.91/215,411.82 = 63,603.02/x
  3. Step 3: Cross multiply
    143,575.91x = 215,411.82 × 63,603.02
  4. Step 4: Simplify right side
    143,575.91x = 13,700,842,295.70
  5. Step 5: Solve for x
    x = 13,700,842,295.70/143,575.91
  6. Step 6: Final answer
    x = 95,425.77

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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.