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Finding the Fourth Proportional to 119,970.92, 179,937.92 and 40,010.29

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Solution

The fourth proportional to 119,970.92, 179,937.92 and 40,010.29 is: 60,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,970.92 : 179,937.92 = 40,010.29 : x
  2. Step 2: Convert to fraction form
    119,970.92/179,937.92 = 40,010.29/x
  3. Step 3: Cross multiply
    119,970.92x = 179,937.92 × 40,010.29
  4. Step 4: Simplify right side
    119,970.92x = 7,199,368,361.20
  5. Step 5: Solve for x
    x = 7,199,368,361.20/119,970.92
  6. Step 6: Final answer
    x = 60,009.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.