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Finding the Fourth Proportional to 99,894.96, 149,792.28 and 33,311.52

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Solution

The fourth proportional to 99,894.96, 149,792.28 and 33,311.52 is: 49,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,894.96 : 149,792.28 = 33,311.52 : x
  2. Step 2: Convert to fraction form
    99,894.96/149,792.28 = 33,311.52/x
  3. Step 3: Cross multiply
    99,894.96x = 149,792.28 × 33,311.52
  4. Step 4: Simplify right side
    99,894.96x = 4,989,808,531.07
  5. Step 5: Solve for x
    x = 4,989,808,531.07/99,894.96
  6. Step 6: Final answer
    x = 49,950.55

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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.