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Finding the Fourth Proportional to 86,250.40, 119,020.56 and 48,522.40

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Solution

The fourth proportional to 86,250.40, 119,020.56 and 48,522.40 is: 66,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,250.40 : 119,020.56 = 48,522.40 : x
  2. Step 2: Convert to fraction form
    86,250.40/119,020.56 = 48,522.40/x
  3. Step 3: Cross multiply
    86,250.40x = 119,020.56 × 48,522.40
  4. Step 4: Simplify right side
    86,250.40x = 5,775,163,220.54
  5. Step 5: Solve for x
    x = 5,775,163,220.54/86,250.40
  6. Step 6: Final answer
    x = 66,958.10

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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.