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Finding the Fourth Proportional to 88,293.61, 121,842.48 and 48,007.45

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Solution

The fourth proportional to 88,293.61, 121,842.48 and 48,007.45 is: 66,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,293.61 : 121,842.48 = 48,007.45 : x
  2. Step 2: Convert to fraction form
    88,293.61/121,842.48 = 48,007.45/x
  3. Step 3: Cross multiply
    88,293.61x = 121,842.48 × 48,007.45
  4. Step 4: Simplify right side
    88,293.61x = 5,849,346,766.48
  5. Step 5: Solve for x
    x = 5,849,346,766.48/88,293.61
  6. Step 6: Final answer
    x = 66,248.81

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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.