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Finding the Fourth Proportional to 73,695.95, 110,543.93 and 18,291.95

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Solution

The fourth proportional to 73,695.95, 110,543.93 and 18,291.95 is: 27,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,695.95 : 110,543.93 = 18,291.95 : x
  2. Step 2: Convert to fraction form
    73,695.95/110,543.93 = 18,291.95/x
  3. Step 3: Cross multiply
    73,695.95x = 110,543.93 × 18,291.95
  4. Step 4: Simplify right side
    73,695.95x = 2,022,064,293.86
  5. Step 5: Solve for x
    x = 2,022,064,293.86/73,695.95
  6. Step 6: Final answer
    x = 27,437.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.