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Finding the Fourth Proportional to 110,959.98, 153,124.47 and 63,213.42

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Solution

The fourth proportional to 110,959.98, 153,124.47 and 63,213.42 is: 87,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,959.98 : 153,124.47 = 63,213.42 : x
  2. Step 2: Convert to fraction form
    110,959.98/153,124.47 = 63,213.42/x
  3. Step 3: Cross multiply
    110,959.98x = 153,124.47 × 63,213.42
  4. Step 4: Simplify right side
    110,959.98x = 9,679,521,434.39
  5. Step 5: Solve for x
    x = 9,679,521,434.39/110,959.98
  6. Step 6: Final answer
    x = 87,234.35

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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.