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Finding the Fourth Proportional to 134,879.70, 202,319.68 and 35,031.54

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Solution

The fourth proportional to 134,879.70, 202,319.68 and 35,031.54 is: 52,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,879.70 : 202,319.68 = 35,031.54 : x
  2. Step 2: Convert to fraction form
    134,879.70/202,319.68 = 35,031.54/x
  3. Step 3: Cross multiply
    134,879.70x = 202,319.68 × 35,031.54
  4. Step 4: Simplify right side
    134,879.70x = 7,087,569,962.71
  5. Step 5: Solve for x
    x = 7,087,569,962.71/134,879.70
  6. Step 6: Final answer
    x = 52,547.34

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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.