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Finding the Fourth Proportional to 182,638.78, 252,119.10 and 111,041.66

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Solution

The fourth proportional to 182,638.78, 252,119.10 and 111,041.66 is: 153,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,638.78 : 252,119.10 = 111,041.66 : x
  2. Step 2: Convert to fraction form
    182,638.78/252,119.10 = 111,041.66/x
  3. Step 3: Cross multiply
    182,638.78x = 252,119.10 × 111,041.66
  4. Step 4: Simplify right side
    182,638.78x = 27,995,723,381.71
  5. Step 5: Solve for x
    x = 27,995,723,381.71/182,638.78
  6. Step 6: Final answer
    x = 153,284.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.