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Finding the Fourth Proportional to 144,027.45, 215,934.14 and 69,076.22

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Solution

The fourth proportional to 144,027.45, 215,934.14 and 69,076.22 is: 103,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,027.45 : 215,934.14 = 69,076.22 : x
  2. Step 2: Convert to fraction form
    144,027.45/215,934.14 = 69,076.22/x
  3. Step 3: Cross multiply
    144,027.45x = 215,934.14 × 69,076.22
  4. Step 4: Simplify right side
    144,027.45x = 14,915,913,253.17
  5. Step 5: Solve for x
    x = 14,915,913,253.17/144,027.45
  6. Step 6: Final answer
    x = 103,562.99

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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.