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Finding the Fourth Proportional to 185,678.87, 278,515.19 and 59,318.19

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Solution

The fourth proportional to 185,678.87, 278,515.19 and 59,318.19 is: 88,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,678.87 : 278,515.19 = 59,318.19 : x
  2. Step 2: Convert to fraction form
    185,678.87/278,515.19 = 59,318.19/x
  3. Step 3: Cross multiply
    185,678.87x = 278,515.19 × 59,318.19
  4. Step 4: Simplify right side
    185,678.87x = 16,521,017,106.60
  5. Step 5: Solve for x
    x = 16,521,017,106.60/185,678.87
  6. Step 6: Final answer
    x = 88,976.29

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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.