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Finding the Fourth Proportional to 124,409.29, 171,679.73 and 69,959.91

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Solution

The fourth proportional to 124,409.29, 171,679.73 and 69,959.91 is: 96,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,409.29 : 171,679.73 = 69,959.91 : x
  2. Step 2: Convert to fraction form
    124,409.29/171,679.73 = 69,959.91/x
  3. Step 3: Cross multiply
    124,409.29x = 171,679.73 × 69,959.91
  4. Step 4: Simplify right side
    124,409.29x = 12,010,697,680.63
  5. Step 5: Solve for x
    x = 12,010,697,680.63/124,409.29
  6. Step 6: Final answer
    x = 96,541.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.