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Finding the Fourth Proportional to 177,482.10, 266,223.15 and 72,246.90

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Solution

The fourth proportional to 177,482.10, 266,223.15 and 72,246.90 is: 108,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,482.10 : 266,223.15 = 72,246.90 : x
  2. Step 2: Convert to fraction form
    177,482.10/266,223.15 = 72,246.90/x
  3. Step 3: Cross multiply
    177,482.10x = 266,223.15 × 72,246.90
  4. Step 4: Simplify right side
    177,482.10x = 19,233,797,295.74
  5. Step 5: Solve for x
    x = 19,233,797,295.74/177,482.10
  6. Step 6: Final answer
    x = 108,370.35

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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.