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Finding the Fourth Proportional to 86,242.79, 119,014.87 and 48,517.04

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Solution

The fourth proportional to 86,242.79, 119,014.87 and 48,517.04 is: 66,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,242.79 : 119,014.87 = 48,517.04 : x
  2. Step 2: Convert to fraction form
    86,242.79/119,014.87 = 48,517.04/x
  3. Step 3: Cross multiply
    86,242.79x = 119,014.87 × 48,517.04
  4. Step 4: Simplify right side
    86,242.79x = 5,774,249,208.38
  5. Step 5: Solve for x
    x = 5,774,249,208.38/86,242.79
  6. Step 6: Final answer
    x = 66,953.41

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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.