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Finding the Fourth Proportional to 109,150.90, 163,726.35 and 96,028.90

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Solution

The fourth proportional to 109,150.90, 163,726.35 and 96,028.90 is: 144,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,150.90 : 163,726.35 = 96,028.90 : x
  2. Step 2: Convert to fraction form
    109,150.90/163,726.35 = 96,028.90/x
  3. Step 3: Cross multiply
    109,150.90x = 163,726.35 × 96,028.90
  4. Step 4: Simplify right side
    109,150.90x = 15,722,461,291.52
  5. Step 5: Solve for x
    x = 15,722,461,291.52/109,150.90
  6. Step 6: Final answer
    x = 144,043.35

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1.5x scale

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.