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Finding the Fourth Proportional to 109,041.84, 163,560.80 and 59,437.65

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Solution

The fourth proportional to 109,041.84, 163,560.80 and 59,437.65 is: 89,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,041.84 : 163,560.80 = 59,437.65 : x
  2. Step 2: Convert to fraction form
    109,041.84/163,560.80 = 59,437.65/x
  3. Step 3: Cross multiply
    109,041.84x = 163,560.80 × 59,437.65
  4. Step 4: Simplify right side
    109,041.84x = 9,721,669,286.93
  5. Step 5: Solve for x
    x = 9,721,669,286.93/109,041.84
  6. Step 6: Final answer
    x = 89,155.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.