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Finding the Fourth Proportional to 88,293.48, 121,845.50 and 48,007.64

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Solution

The fourth proportional to 88,293.48, 121,845.50 and 48,007.64 is: 66,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,293.48 : 121,845.50 = 48,007.64 : x
  2. Step 2: Convert to fraction form
    88,293.48/121,845.50 = 48,007.64/x
  3. Step 3: Cross multiply
    88,293.48x = 121,845.50 × 48,007.64
  4. Step 4: Simplify right side
    88,293.48x = 5,849,514,899.62
  5. Step 5: Solve for x
    x = 5,849,514,899.62/88,293.48
  6. Step 6: Final answer
    x = 66,250.81

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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.