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Finding the Fourth Proportional to 110,959.48, 153,123.78 and 63,212.92

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Solution

The fourth proportional to 110,959.48, 153,123.78 and 63,212.92 is: 87,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,959.48 : 153,123.78 = 63,212.92 : x
  2. Step 2: Convert to fraction form
    110,959.48/153,123.78 = 63,212.92/x
  3. Step 3: Cross multiply
    110,959.48x = 153,123.78 × 63,212.92
  4. Step 4: Simplify right side
    110,959.48x = 9,679,401,255.24
  5. Step 5: Solve for x
    x = 9,679,401,255.24/110,959.48
  6. Step 6: Final answer
    x = 87,233.66

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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.