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Finding the Fourth Proportional to 86,252.80, 119,020.40 and 48,526.24

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Solution

The fourth proportional to 86,252.80, 119,020.40 and 48,526.24 is: 66,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252.80 : 119,020.40 = 48,526.24 : x
  2. Step 2: Convert to fraction form
    86,252.80/119,020.40 = 48,526.24/x
  3. Step 3: Cross multiply
    86,252.80x = 119,020.40 × 48,526.24
  4. Step 4: Simplify right side
    86,252.80x = 5,775,612,495.30
  5. Step 5: Solve for x
    x = 5,775,612,495.30/86,252.80
  6. Step 6: Final answer
    x = 66,961.45

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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.