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Finding the Fourth Proportional to 118,298.80, 163,266.67 and 67,323.93

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Solution

The fourth proportional to 118,298.80, 163,266.67 and 67,323.93 is: 92,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,298.80 : 163,266.67 = 67,323.93 : x
  2. Step 2: Convert to fraction form
    118,298.80/163,266.67 = 67,323.93/x
  3. Step 3: Cross multiply
    118,298.80x = 163,266.67 × 67,323.93
  4. Step 4: Simplify right side
    118,298.80x = 10,991,753,862.41
  5. Step 5: Solve for x
    x = 10,991,753,862.41/118,298.80
  6. Step 6: Final answer
    x = 92,915.18

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1.5x scale

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.