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Finding the Fourth Proportional to 185,672.56, 278,510.36 and 52,557.20

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Solution

The fourth proportional to 185,672.56, 278,510.36 and 52,557.20 is: 78,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,672.56 : 278,510.36 = 52,557.20 : x
  2. Step 2: Convert to fraction form
    185,672.56/278,510.36 = 52,557.20/x
  3. Step 3: Cross multiply
    185,672.56x = 278,510.36 × 52,557.20
  4. Step 4: Simplify right side
    185,672.56x = 14,637,724,692.59
  5. Step 5: Solve for x
    x = 14,637,724,692.59/185,672.56
  6. Step 6: Final answer
    x = 78,836.23

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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.