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Finding the Fourth Proportional to 148,617.68, 205,101 and 88,224.08

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Solution

The fourth proportional to 148,617.68, 205,101 and 88,224.08 is: 121,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,617.68 : 205,101 = 88,224.08 : x
  2. Step 2: Convert to fraction form
    148,617.68/205,101 = 88,224.08/x
  3. Step 3: Cross multiply
    148,617.68x = 205,101 × 88,224.08
  4. Step 4: Simplify right side
    148,617.68x = 18,094,847,032.08
  5. Step 5: Solve for x
    x = 18,094,847,032.08/148,617.68
  6. Step 6: Final answer
    x = 121,754.34

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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.