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Finding the Fourth Proportional to 243,425.80, 365,052.30 and 168,545.80

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Solution

The fourth proportional to 243,425.80, 365,052.30 and 168,545.80 is: 252,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,425.80 : 365,052.30 = 168,545.80 : x
  2. Step 2: Convert to fraction form
    243,425.80/365,052.30 = 168,545.80/x
  3. Step 3: Cross multiply
    243,425.80x = 365,052.30 × 168,545.80
  4. Step 4: Simplify right side
    243,425.80x = 61,528,031,945.34
  5. Step 5: Solve for x
    x = 61,528,031,945.34/243,425.80
  6. Step 6: Final answer
    x = 252,758.88

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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.