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Finding the Fourth Proportional to 109,656.88, 151,326.72 and 59,355.88

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Solution

The fourth proportional to 109,656.88, 151,326.72 and 59,355.88 is: 81,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,656.88 : 151,326.72 = 59,355.88 : x
  2. Step 2: Convert to fraction form
    109,656.88/151,326.72 = 59,355.88/x
  3. Step 3: Cross multiply
    109,656.88x = 151,326.72 × 59,355.88
  4. Step 4: Simplify right side
    109,656.88x = 8,982,130,633.11
  5. Step 5: Solve for x
    x = 8,982,130,633.11/109,656.88
  6. Step 6: Final answer
    x = 81,911.24

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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.