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Finding the Fourth Proportional to 111,543.93, 153,956.04 and 63,823.59

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Solution

The fourth proportional to 111,543.93, 153,956.04 and 63,823.59 is: 88,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,543.93 : 153,956.04 = 63,823.59 : x
  2. Step 2: Convert to fraction form
    111,543.93/153,956.04 = 63,823.59/x
  3. Step 3: Cross multiply
    111,543.93x = 153,956.04 × 63,823.59
  4. Step 4: Simplify right side
    111,543.93x = 9,826,027,174.98
  5. Step 5: Solve for x
    x = 9,826,027,174.98/111,543.93
  6. Step 6: Final answer
    x = 88,091.10

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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.