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Finding the Fourth Proportional to 170,593.64, 235,343.16 and 98,932.20

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Solution

The fourth proportional to 170,593.64, 235,343.16 and 98,932.20 is: 136,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,593.64 : 235,343.16 = 98,932.20 : x
  2. Step 2: Convert to fraction form
    170,593.64/235,343.16 = 98,932.20/x
  3. Step 3: Cross multiply
    170,593.64x = 235,343.16 × 98,932.20
  4. Step 4: Simplify right side
    170,593.64x = 23,283,016,573.75
  5. Step 5: Solve for x
    x = 23,283,016,573.75/170,593.64
  6. Step 6: Final answer
    x = 136,482.32

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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.