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Finding the Fourth Proportional to 152,379.36, 227,642.36 and 98,633.46

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Solution

The fourth proportional to 152,379.36, 227,642.36 and 98,633.46 is: 147,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,379.36 : 227,642.36 = 98,633.46 : x
  2. Step 2: Convert to fraction form
    152,379.36/227,642.36 = 98,633.46/x
  3. Step 3: Cross multiply
    152,379.36x = 227,642.36 × 98,633.46
  4. Step 4: Simplify right side
    152,379.36x = 22,453,153,116.20
  5. Step 5: Solve for x
    x = 22,453,153,116.20/152,379.36
  6. Step 6: Final answer
    x = 147,350.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.