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Finding the Fourth Proportional to 172,258.88, 237,695.88 and 99,674.24

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Solution

The fourth proportional to 172,258.88, 237,695.88 and 99,674.24 is: 137,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,258.88 : 237,695.88 = 99,674.24 : x
  2. Step 2: Convert to fraction form
    172,258.88/237,695.88 = 99,674.24/x
  3. Step 3: Cross multiply
    172,258.88x = 237,695.88 × 99,674.24
  4. Step 4: Simplify right side
    172,258.88x = 23,692,156,190.13
  5. Step 5: Solve for x
    x = 23,692,156,190.13/172,258.88
  6. Step 6: Final answer
    x = 137,538.08

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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.