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Finding the Fourth Proportional to 110,960.97, 153,115.16 and 63,211.47

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Solution

The fourth proportional to 110,960.97, 153,115.16 and 63,211.47 is: 87,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,960.97 : 153,115.16 = 63,211.47 : x
  2. Step 2: Convert to fraction form
    110,960.97/153,115.16 = 63,211.47/x
  3. Step 3: Cross multiply
    110,960.97x = 153,115.16 × 63,211.47
  4. Step 4: Simplify right side
    110,960.97x = 9,678,634,026.83
  5. Step 5: Solve for x
    x = 9,678,634,026.83/110,960.97
  6. Step 6: Final answer
    x = 87,225.57

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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.