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Finding the Fourth Proportional to 109,701.56, 151,388.88 and 59,400.56

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Solution

The fourth proportional to 109,701.56, 151,388.88 and 59,400.56 is: 81,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,701.56 : 151,388.88 = 59,400.56 : x
  2. Step 2: Convert to fraction form
    109,701.56/151,388.88 = 59,400.56/x
  3. Step 3: Cross multiply
    109,701.56x = 151,388.88 × 59,400.56
  4. Step 4: Simplify right side
    109,701.56x = 8,992,584,249.77
  5. Step 5: Solve for x
    x = 8,992,584,249.77/109,701.56
  6. Step 6: Final answer
    x = 81,973.17

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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.