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Finding the Fourth Proportional to 144,257.38, 216,410.97 and 64,323.74

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Solution

The fourth proportional to 144,257.38, 216,410.97 and 64,323.74 is: 96,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,257.38 : 216,410.97 = 64,323.74 : x
  2. Step 2: Convert to fraction form
    144,257.38/216,410.97 = 64,323.74/x
  3. Step 3: Cross multiply
    144,257.38x = 216,410.97 × 64,323.74
  4. Step 4: Simplify right side
    144,257.38x = 13,920,363,749.67
  5. Step 5: Solve for x
    x = 13,920,363,749.67/144,257.38
  6. Step 6: Final answer
    x = 96,496.72

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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.