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Finding the Fourth Proportional to 86,636.92, 119,577.90 and 54,848.20

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Solution

The fourth proportional to 86,636.92, 119,577.90 and 54,848.20 is: 75,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.92 : 119,577.90 = 54,848.20 : x
  2. Step 2: Convert to fraction form
    86,636.92/119,577.90 = 54,848.20/x
  3. Step 3: Cross multiply
    86,636.92x = 119,577.90 × 54,848.20
  4. Step 4: Simplify right side
    86,636.92x = 6,558,632,574.78
  5. Step 5: Solve for x
    x = 6,558,632,574.78/86,636.92
  6. Step 6: Final answer
    x = 75,702.51

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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.