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Finding the Fourth Proportional to 224,780.16, 310,202.88 and 124,184.64

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Solution

The fourth proportional to 224,780.16, 310,202.88 and 124,184.64 is: 171,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,780.16 : 310,202.88 = 124,184.64 : x
  2. Step 2: Convert to fraction form
    224,780.16/310,202.88 = 124,184.64/x
  3. Step 3: Cross multiply
    224,780.16x = 310,202.88 × 124,184.64
  4. Step 4: Simplify right side
    224,780.16x = 38,522,432,979.76
  5. Step 5: Solve for x
    x = 38,522,432,979.76/224,780.16
  6. Step 6: Final answer
    x = 171,378.26

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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.