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Finding the Fourth Proportional to 153,653.12, 230,479.12 and 60,092.96

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Solution

The fourth proportional to 153,653.12, 230,479.12 and 60,092.96 is: 90,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,653.12 : 230,479.12 = 60,092.96 : x
  2. Step 2: Convert to fraction form
    153,653.12/230,479.12 = 60,092.96/x
  3. Step 3: Cross multiply
    153,653.12x = 230,479.12 × 60,092.96
  4. Step 4: Simplify right side
    153,653.12x = 13,850,172,539.00
  5. Step 5: Solve for x
    x = 13,850,172,539.00/153,653.12
  6. Step 6: Final answer
    x = 90,139.22

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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.