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Finding the Fourth Proportional to 103,625.90, 154,682.28 and 88,929.26

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Solution

The fourth proportional to 103,625.90, 154,682.28 and 88,929.26 is: 132,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.90 : 154,682.28 = 88,929.26 : x
  2. Step 2: Convert to fraction form
    103,625.90/154,682.28 = 88,929.26/x
  3. Step 3: Cross multiply
    103,625.90x = 154,682.28 × 88,929.26
  4. Step 4: Simplify right side
    103,625.90x = 13,755,780,695.51
  5. Step 5: Solve for x
    x = 13,755,780,695.51/103,625.90
  6. Step 6: Final answer
    x = 132,744.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.