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Finding the Fourth Proportional to 98,440.48, 147,662.81 and 35,264.71

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Solution

The fourth proportional to 98,440.48, 147,662.81 and 35,264.71 is: 52,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,440.48 : 147,662.81 = 35,264.71 : x
  2. Step 2: Convert to fraction form
    98,440.48/147,662.81 = 35,264.71/x
  3. Step 3: Cross multiply
    98,440.48x = 147,662.81 × 35,264.71
  4. Step 4: Simplify right side
    98,440.48x = 5,207,286,172.44
  5. Step 5: Solve for x
    x = 5,207,286,172.44/98,440.48
  6. Step 6: Final answer
    x = 52,897.81

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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.