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Finding the Fourth Proportional to 171,023.52, 235,987.20 and 97,436.64

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Solution

The fourth proportional to 171,023.52, 235,987.20 and 97,436.64 is: 134,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,023.52 : 235,987.20 = 97,436.64 : x
  2. Step 2: Convert to fraction form
    171,023.52/235,987.20 = 97,436.64/x
  3. Step 3: Cross multiply
    171,023.52x = 235,987.20 × 97,436.64
  4. Step 4: Simplify right side
    171,023.52x = 22,993,799,851.01
  5. Step 5: Solve for x
    x = 22,993,799,851.01/171,023.52
  6. Step 6: Final answer
    x = 134,448.17

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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.