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Finding the Fourth Proportional to 119,168.01, 178,775.06 and 45,290.25

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Solution

The fourth proportional to 119,168.01, 178,775.06 and 45,290.25 is: 67,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,168.01 : 178,775.06 = 45,290.25 : x
  2. Step 2: Convert to fraction form
    119,168.01/178,775.06 = 45,290.25/x
  3. Step 3: Cross multiply
    119,168.01x = 178,775.06 × 45,290.25
  4. Step 4: Simplify right side
    119,168.01x = 8,096,766,934.71
  5. Step 5: Solve for x
    x = 8,096,766,934.71/119,168.01
  6. Step 6: Final answer
    x = 67,944.13

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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.