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Finding the Fourth Proportional to 95,855.40, 143,783.10 and 88,638.30

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Solution

The fourth proportional to 95,855.40, 143,783.10 and 88,638.30 is: 132,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,855.40 : 143,783.10 = 88,638.30 : x
  2. Step 2: Convert to fraction form
    95,855.40/143,783.10 = 88,638.30/x
  3. Step 3: Cross multiply
    95,855.40x = 143,783.10 × 88,638.30
  4. Step 4: Simplify right side
    95,855.40x = 12,744,689,552.73
  5. Step 5: Solve for x
    x = 12,744,689,552.73/95,855.40
  6. Step 6: Final answer
    x = 132,957.45

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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.