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Finding the Fourth Proportional to 269,726.76, 372,348.90 and 156,527.64

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Solution

The fourth proportional to 269,726.76, 372,348.90 and 156,527.64 is: 216,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,726.76 : 372,348.90 = 156,527.64 : x
  2. Step 2: Convert to fraction form
    269,726.76/372,348.90 = 156,527.64/x
  3. Step 3: Cross multiply
    269,726.76x = 372,348.90 × 156,527.64
  4. Step 4: Simplify right side
    269,726.76x = 58,282,894,573.60
  5. Step 5: Solve for x
    x = 58,282,894,573.60/269,726.76
  6. Step 6: Final answer
    x = 216,081.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.