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Finding the Fourth Proportional to 110,343.96, 152,305.92 and 65,048.28

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Solution

The fourth proportional to 110,343.96, 152,305.92 and 65,048.28 is: 89,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,343.96 : 152,305.92 = 65,048.28 : x
  2. Step 2: Convert to fraction form
    110,343.96/152,305.92 = 65,048.28/x
  3. Step 3: Cross multiply
    110,343.96x = 152,305.92 × 65,048.28
  4. Step 4: Simplify right side
    110,343.96x = 9,907,238,129.82
  5. Step 5: Solve for x
    x = 9,907,238,129.82/110,343.96
  6. Step 6: Final answer
    x = 89,785.05

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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.