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Finding the Fourth Proportional to 104,980.80, 157,472.40 and 26,095.20

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Solution

The fourth proportional to 104,980.80, 157,472.40 and 26,095.20 is: 39,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,980.80 : 157,472.40 = 26,095.20 : x
  2. Step 2: Convert to fraction form
    104,980.80/157,472.40 = 26,095.20/x
  3. Step 3: Cross multiply
    104,980.80x = 157,472.40 × 26,095.20
  4. Step 4: Simplify right side
    104,980.80x = 4,109,273,772.48
  5. Step 5: Solve for x
    x = 4,109,273,772.48/104,980.80
  6. Step 6: Final answer
    x = 39,143.10

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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.