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Finding the Fourth Proportional to 119,883.59, 179,859.10 and 52,421.56

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Solution

The fourth proportional to 119,883.59, 179,859.10 and 52,421.56 is: 78,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,883.59 : 179,859.10 = 52,421.56 : x
  2. Step 2: Convert to fraction form
    119,883.59/179,859.10 = 52,421.56/x
  3. Step 3: Cross multiply
    119,883.59x = 179,859.10 × 52,421.56
  4. Step 4: Simplify right side
    119,883.59x = 9,428,494,119.78
  5. Step 5: Solve for x
    x = 9,428,494,119.78/119,883.59
  6. Step 6: Final answer
    x = 78,647.08

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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.