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Finding the Fourth Proportional to 207,002.80, 310,504.20 and 144,017.20

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Solution

The fourth proportional to 207,002.80, 310,504.20 and 144,017.20 is: 216,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,002.80 : 310,504.20 = 144,017.20 : x
  2. Step 2: Convert to fraction form
    207,002.80/310,504.20 = 144,017.20/x
  3. Step 3: Cross multiply
    207,002.80x = 310,504.20 × 144,017.20
  4. Step 4: Simplify right side
    207,002.80x = 44,717,945,472.24
  5. Step 5: Solve for x
    x = 44,717,945,472.24/207,002.80
  6. Step 6: Final answer
    x = 216,025.80

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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.