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Finding the Fourth Proportional to 132,866.86, 183,298.64 and 84,442.92

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Solution

The fourth proportional to 132,866.86, 183,298.64 and 84,442.92 is: 116,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,866.86 : 183,298.64 = 84,442.92 : x
  2. Step 2: Convert to fraction form
    132,866.86/183,298.64 = 84,442.92/x
  3. Step 3: Cross multiply
    132,866.86x = 183,298.64 × 84,442.92
  4. Step 4: Simplify right side
    132,866.86x = 15,478,272,393.63
  5. Step 5: Solve for x
    x = 15,478,272,393.63/132,866.86
  6. Step 6: Final answer
    x = 116,494.61

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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.