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Finding the Fourth Proportional to 224,616.64, 309,973.28 and 124,014.40

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Solution

The fourth proportional to 224,616.64, 309,973.28 and 124,014.40 is: 171,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,616.64 : 309,973.28 = 124,014.40 : x
  2. Step 2: Convert to fraction form
    224,616.64/309,973.28 = 124,014.40/x
  3. Step 3: Cross multiply
    224,616.64x = 309,973.28 × 124,014.40
  4. Step 4: Simplify right side
    224,616.64x = 38,441,150,335.23
  5. Step 5: Solve for x
    x = 38,441,150,335.23/224,616.64
  6. Step 6: Final answer
    x = 171,141.15

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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.