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Finding the Fourth Proportional to 110,992.65, 153,140.33 and 63,244.98

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Solution

The fourth proportional to 110,992.65, 153,140.33 and 63,244.98 is: 87,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,992.65 : 153,140.33 = 63,244.98 : x
  2. Step 2: Convert to fraction form
    110,992.65/153,140.33 = 63,244.98/x
  3. Step 3: Cross multiply
    110,992.65x = 153,140.33 × 63,244.98
  4. Step 4: Simplify right side
    110,992.65x = 9,685,356,791.82
  5. Step 5: Solve for x
    x = 9,685,356,791.82/110,992.65
  6. Step 6: Final answer
    x = 87,261.24

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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.