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Finding the Fourth Proportional to 177,816.80, 266,206.80 and 172,632.80

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Solution

The fourth proportional to 177,816.80, 266,206.80 and 172,632.80 is: 258,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.80 : 266,206.80 = 172,632.80 : x
  2. Step 2: Convert to fraction form
    177,816.80/266,206.80 = 172,632.80/x
  3. Step 3: Cross multiply
    177,816.80x = 266,206.80 × 172,632.80
  4. Step 4: Simplify right side
    177,816.80x = 45,956,025,263.04
  5. Step 5: Solve for x
    x = 45,956,025,263.04/177,816.80
  6. Step 6: Final answer
    x = 258,445.91

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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.