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Finding the Fourth Proportional to 224,801.52, 310,225.86 and 129,305.76

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Solution

The fourth proportional to 224,801.52, 310,225.86 and 129,305.76 is: 178,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,801.52 : 310,225.86 = 129,305.76 : x
  2. Step 2: Convert to fraction form
    224,801.52/310,225.86 = 129,305.76/x
  3. Step 3: Cross multiply
    224,801.52x = 310,225.86 × 129,305.76
  4. Step 4: Simplify right side
    224,801.52x = 40,113,990,598.95
  5. Step 5: Solve for x
    x = 40,113,990,598.95/224,801.52
  6. Step 6: Final answer
    x = 178,441.81

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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.