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Finding the Fourth Proportional to 144,048.80, 215,562.90 and 125,532.20

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Solution

The fourth proportional to 144,048.80, 215,562.90 and 125,532.20 is: 187,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,048.80 : 215,562.90 = 125,532.20 : x
  2. Step 2: Convert to fraction form
    144,048.80/215,562.90 = 125,532.20/x
  3. Step 3: Cross multiply
    144,048.80x = 215,562.90 × 125,532.20
  4. Step 4: Simplify right side
    144,048.80x = 27,060,085,075.38
  5. Step 5: Solve for x
    x = 27,060,085,075.38/144,048.80
  6. Step 6: Final answer
    x = 187,853.60

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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.