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Finding the Fourth Proportional to 118,473.68, 163,494.02 and 64,759.34

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Solution

The fourth proportional to 118,473.68, 163,494.02 and 64,759.34 is: 89,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,473.68 : 163,494.02 = 64,759.34 : x
  2. Step 2: Convert to fraction form
    118,473.68/163,494.02 = 64,759.34/x
  3. Step 3: Cross multiply
    118,473.68x = 163,494.02 × 64,759.34
  4. Step 4: Simplify right side
    118,473.68x = 10,587,764,829.15
  5. Step 5: Solve for x
    x = 10,587,764,829.15/118,473.68
  6. Step 6: Final answer
    x = 89,368.08

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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.