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Finding the Fourth Proportional to 96,216.60, 144,324.90 and 91,623.90

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Solution

The fourth proportional to 96,216.60, 144,324.90 and 91,623.90 is: 137,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,216.60 : 144,324.90 = 91,623.90 : x
  2. Step 2: Convert to fraction form
    96,216.60/144,324.90 = 91,623.90/x
  3. Step 3: Cross multiply
    96,216.60x = 144,324.90 × 91,623.90
  4. Step 4: Simplify right side
    96,216.60x = 13,223,610,205.11
  5. Step 5: Solve for x
    x = 13,223,610,205.11/96,216.60
  6. Step 6: Final answer
    x = 137,435.85

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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.