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Finding the Fourth Proportional to 86,232.60, 119,000.81 and 48,506.85

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Solution

The fourth proportional to 86,232.60, 119,000.81 and 48,506.85 is: 66,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,232.60 : 119,000.81 = 48,506.85 : x
  2. Step 2: Convert to fraction form
    86,232.60/119,000.81 = 48,506.85/x
  3. Step 3: Cross multiply
    86,232.60x = 119,000.81 × 48,506.85
  4. Step 4: Simplify right side
    86,232.60x = 5,772,354,561.82
  5. Step 5: Solve for x
    x = 5,772,354,561.82/86,232.60
  6. Step 6: Final answer
    x = 66,939.35

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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.