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Finding the Fourth Proportional to 88,705.90, 133,058.85 and 63,693.10

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Solution

The fourth proportional to 88,705.90, 133,058.85 and 63,693.10 is: 95,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.90 : 133,058.85 = 63,693.10 : x
  2. Step 2: Convert to fraction form
    88,705.90/133,058.85 = 63,693.10/x
  3. Step 3: Cross multiply
    88,705.90x = 133,058.85 × 63,693.10
  4. Step 4: Simplify right side
    88,705.90x = 8,474,930,638.94
  5. Step 5: Solve for x
    x = 8,474,930,638.94/88,705.90
  6. Step 6: Final answer
    x = 95,539.65

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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.