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Finding the Fourth Proportional to 109,366.19, 150,925.34 and 59,065.19

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Solution

The fourth proportional to 109,366.19, 150,925.34 and 59,065.19 is: 81,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,366.19 : 150,925.34 = 59,065.19 : x
  2. Step 2: Convert to fraction form
    109,366.19/150,925.34 = 59,065.19/x
  3. Step 3: Cross multiply
    109,366.19x = 150,925.34 × 59,065.19
  4. Step 4: Simplify right side
    109,366.19x = 8,914,433,882.91
  5. Step 5: Solve for x
    x = 8,914,433,882.91/109,366.19
  6. Step 6: Final answer
    x = 81,509.96

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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.