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Finding the Fourth Proportional to 144,248.76, 216,370.80 and 55,521.54

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Solution

The fourth proportional to 144,248.76, 216,370.80 and 55,521.54 is: 83,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,248.76 : 216,370.80 = 55,521.54 : x
  2. Step 2: Convert to fraction form
    144,248.76/216,370.80 = 55,521.54/x
  3. Step 3: Cross multiply
    144,248.76x = 216,370.80 × 55,521.54
  4. Step 4: Simplify right side
    144,248.76x = 12,013,240,027.03
  5. Step 5: Solve for x
    x = 12,013,240,027.03/144,248.76
  6. Step 6: Final answer
    x = 83,281.41

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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.