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Finding the Fourth Proportional to 118,744.76, 163,862.52 and 65,032.04

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Solution

The fourth proportional to 118,744.76, 163,862.52 and 65,032.04 is: 89,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,744.76 : 163,862.52 = 65,032.04 : x
  2. Step 2: Convert to fraction form
    118,744.76/163,862.52 = 65,032.04/x
  3. Step 3: Cross multiply
    118,744.76x = 163,862.52 × 65,032.04
  4. Step 4: Simplify right side
    118,744.76x = 10,656,313,955.14
  5. Step 5: Solve for x
    x = 10,656,313,955.14/118,744.76
  6. Step 6: Final answer
    x = 89,741.34

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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.