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Finding the Fourth Proportional to 177,952.80, 266,929.20 and 163,437.60

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Solution

The fourth proportional to 177,952.80, 266,929.20 and 163,437.60 is: 245,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,952.80 : 266,929.20 = 163,437.60 : x
  2. Step 2: Convert to fraction form
    177,952.80/266,929.20 = 163,437.60/x
  3. Step 3: Cross multiply
    177,952.80x = 266,929.20 × 163,437.60
  4. Step 4: Simplify right side
    177,952.80x = 43,626,267,817.92
  5. Step 5: Solve for x
    x = 43,626,267,817.92/177,952.80
  6. Step 6: Final answer
    x = 245,156.40

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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.