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Finding the Fourth Proportional to 177,875.80, 266,813.70 and 157,658.20

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Solution

The fourth proportional to 177,875.80, 266,813.70 and 157,658.20 is: 236,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,875.80 : 266,813.70 = 157,658.20 : x
  2. Step 2: Convert to fraction form
    177,875.80/266,813.70 = 157,658.20/x
  3. Step 3: Cross multiply
    177,875.80x = 266,813.70 × 157,658.20
  4. Step 4: Simplify right side
    177,875.80x = 42,065,367,677.34
  5. Step 5: Solve for x
    x = 42,065,367,677.34/177,875.80
  6. Step 6: Final answer
    x = 236,487.30

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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.