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Finding the Fourth Proportional to 104,551.16, 144,340.40 and 68,844.92

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Solution

The fourth proportional to 104,551.16, 144,340.40 and 68,844.92 is: 95,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,551.16 : 144,340.40 = 68,844.92 : x
  2. Step 2: Convert to fraction form
    104,551.16/144,340.40 = 68,844.92/x
  3. Step 3: Cross multiply
    104,551.16x = 144,340.40 × 68,844.92
  4. Step 4: Simplify right side
    104,551.16x = 9,937,103,290.77
  5. Step 5: Solve for x
    x = 9,937,103,290.77/104,551.16
  6. Step 6: Final answer
    x = 95,045.37

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1.5x scale

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.