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Finding the Fourth Proportional to 177,421.40, 266,132.10 and 159,925.40

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Solution

The fourth proportional to 177,421.40, 266,132.10 and 159,925.40 is: 239,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,421.40 : 266,132.10 = 159,925.40 : x
  2. Step 2: Convert to fraction form
    177,421.40/266,132.10 = 159,925.40/x
  3. Step 3: Cross multiply
    177,421.40x = 266,132.10 × 159,925.40
  4. Step 4: Simplify right side
    177,421.40x = 42,561,282,545.34
  5. Step 5: Solve for x
    x = 42,561,282,545.34/177,421.40
  6. Step 6: Final answer
    x = 239,888.10

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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.