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Finding the Fourth Proportional to 86,246.40, 119,015.04 and 48,518.40

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Solution

The fourth proportional to 86,246.40, 119,015.04 and 48,518.40 is: 66,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,246.40 : 119,015.04 = 48,518.40 : x
  2. Step 2: Convert to fraction form
    86,246.40/119,015.04 = 48,518.40/x
  3. Step 3: Cross multiply
    86,246.40x = 119,015.04 × 48,518.40
  4. Step 4: Simplify right side
    86,246.40x = 5,774,419,316.74
  5. Step 5: Solve for x
    x = 5,774,419,316.74/86,246.40
  6. Step 6: Final answer
    x = 66,952.58

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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.