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Finding the Fourth Proportional to 86,842.04, 119,842.01 and 47,098.04

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Solution

The fourth proportional to 86,842.04, 119,842.01 and 47,098.04 is: 64,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,842.04 : 119,842.01 = 47,098.04 : x
  2. Step 2: Convert to fraction form
    86,842.04/119,842.01 = 47,098.04/x
  3. Step 3: Cross multiply
    86,842.04x = 119,842.01 × 47,098.04
  4. Step 4: Simplify right side
    86,842.04x = 5,644,322,945.96
  5. Step 5: Solve for x
    x = 5,644,322,945.96/86,842.04
  6. Step 6: Final answer
    x = 64,995.29

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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.