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Finding the Fourth Proportional to 85,973.68, 118,643.68 and 48,247.92

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Solution

The fourth proportional to 85,973.68, 118,643.68 and 48,247.92 is: 66,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,973.68 : 118,643.68 = 48,247.92 : x
  2. Step 2: Convert to fraction form
    85,973.68/118,643.68 = 48,247.92/x
  3. Step 3: Cross multiply
    85,973.68x = 118,643.68 × 48,247.92
  4. Step 4: Simplify right side
    85,973.68x = 5,724,310,781.15
  5. Step 5: Solve for x
    x = 5,724,310,781.15/85,973.68
  6. Step 6: Final answer
    x = 66,582.13

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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.