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Finding the Fourth Proportional to 108,248.40, 162,372.60 and 88,808.40

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Solution

The fourth proportional to 108,248.40, 162,372.60 and 88,808.40 is: 133,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,248.40 : 162,372.60 = 88,808.40 : x
  2. Step 2: Convert to fraction form
    108,248.40/162,372.60 = 88,808.40/x
  3. Step 3: Cross multiply
    108,248.40x = 162,372.60 × 88,808.40
  4. Step 4: Simplify right side
    108,248.40x = 14,420,050,809.84
  5. Step 5: Solve for x
    x = 14,420,050,809.84/108,248.40
  6. Step 6: Final answer
    x = 133,212.60

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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.