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Finding the Fourth Proportional to 108,780.60, 163,170.90 and 62,038.20

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Solution

The fourth proportional to 108,780.60, 163,170.90 and 62,038.20 is: 93,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,780.60 : 163,170.90 = 62,038.20 : x
  2. Step 2: Convert to fraction form
    108,780.60/163,170.90 = 62,038.20/x
  3. Step 3: Cross multiply
    108,780.60x = 163,170.90 × 62,038.20
  4. Step 4: Simplify right side
    108,780.60x = 10,122,828,928.38
  5. Step 5: Solve for x
    x = 10,122,828,928.38/108,780.60
  6. Step 6: Final answer
    x = 93,057.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.