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Finding the Fourth Proportional to 187,502.80, 281,311.80 and 148,075.60

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Solution

The fourth proportional to 187,502.80, 281,311.80 and 148,075.60 is: 222,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,502.80 : 281,311.80 = 148,075.60 : x
  2. Step 2: Convert to fraction form
    187,502.80/281,311.80 = 148,075.60/x
  3. Step 3: Cross multiply
    187,502.80x = 281,311.80 × 148,075.60
  4. Step 4: Simplify right side
    187,502.80x = 41,655,413,572.08
  5. Step 5: Solve for x
    x = 41,655,413,572.08/187,502.80
  6. Step 6: Final answer
    x = 222,158.89

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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.