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Finding the Fourth Proportional to 118,506.96, 163,549.68 and 67,535.28

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Solution

The fourth proportional to 118,506.96, 163,549.68 and 67,535.28 is: 93,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,506.96 : 163,549.68 = 67,535.28 : x
  2. Step 2: Convert to fraction form
    118,506.96/163,549.68 = 67,535.28/x
  3. Step 3: Cross multiply
    118,506.96x = 163,549.68 × 67,535.28
  4. Step 4: Simplify right side
    118,506.96x = 11,045,373,432.71
  5. Step 5: Solve for x
    x = 11,045,373,432.71/118,506.96
  6. Step 6: Final answer
    x = 93,204.43

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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.