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Finding the Fourth Proportional to 153,391.79, 230,071.59 and 41,083.61

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Solution

The fourth proportional to 153,391.79, 230,071.59 and 41,083.61 is: 61,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,391.79 : 230,071.59 = 41,083.61 : x
  2. Step 2: Convert to fraction form
    153,391.79/230,071.59 = 41,083.61/x
  3. Step 3: Cross multiply
    153,391.79x = 230,071.59 × 41,083.61
  4. Step 4: Simplify right side
    153,391.79x = 9,452,170,325.28
  5. Step 5: Solve for x
    x = 9,452,170,325.28/153,391.79
  6. Step 6: Final answer
    x = 61,621.10

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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.