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Finding the Fourth Proportional to 144,889.92, 217,370.34 and 117,062.10

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Solution

The fourth proportional to 144,889.92, 217,370.34 and 117,062.10 is: 175,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,889.92 : 217,370.34 = 117,062.10 : x
  2. Step 2: Convert to fraction form
    144,889.92/217,370.34 = 117,062.10/x
  3. Step 3: Cross multiply
    144,889.92x = 217,370.34 × 117,062.10
  4. Step 4: Simplify right side
    144,889.92x = 25,445,828,478.11
  5. Step 5: Solve for x
    x = 25,445,828,478.11/144,889.92
  6. Step 6: Final answer
    x = 175,621.80

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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.