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Finding the Fourth Proportional to 93,603.83, 140,326.76 and 43,657.61

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Solution

The fourth proportional to 93,603.83, 140,326.76 and 43,657.61 is: 65,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,603.83 : 140,326.76 = 43,657.61 : x
  2. Step 2: Convert to fraction form
    93,603.83/140,326.76 = 43,657.61/x
  3. Step 3: Cross multiply
    93,603.83x = 140,326.76 × 43,657.61
  4. Step 4: Simplify right side
    93,603.83x = 6,126,330,368.15
  5. Step 5: Solve for x
    x = 6,126,330,368.15/93,603.83
  6. Step 6: Final answer
    x = 65,449.57

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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.