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Finding the Fourth Proportional to 89,134.90, 133,669.95 and 44,746.90

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Solution

The fourth proportional to 89,134.90, 133,669.95 and 44,746.90 is: 67,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,134.90 : 133,669.95 = 44,746.90 : x
  2. Step 2: Convert to fraction form
    89,134.90/133,669.95 = 44,746.90/x
  3. Step 3: Cross multiply
    89,134.90x = 133,669.95 × 44,746.90
  4. Step 4: Simplify right side
    89,134.90x = 5,981,315,885.66
  5. Step 5: Solve for x
    x = 5,981,315,885.66/89,134.90
  6. Step 6: Final answer
    x = 67,104.08

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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.