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Finding the Fourth Proportional to 106,929.60, 160,048.80 and 98,635.20

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Solution

The fourth proportional to 106,929.60, 160,048.80 and 98,635.20 is: 147,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,929.60 : 160,048.80 = 98,635.20 : x
  2. Step 2: Convert to fraction form
    106,929.60/160,048.80 = 98,635.20/x
  3. Step 3: Cross multiply
    106,929.60x = 160,048.80 × 98,635.20
  4. Step 4: Simplify right side
    106,929.60x = 15,786,445,397.76
  5. Step 5: Solve for x
    x = 15,786,445,397.76/106,929.60
  6. Step 6: Final answer
    x = 147,634.01

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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.