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Finding the Fourth Proportional to 109,500.94, 151,111.50 and 59,199.94

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Solution

The fourth proportional to 109,500.94, 151,111.50 and 59,199.94 is: 81,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,500.94 : 151,111.50 = 59,199.94 : x
  2. Step 2: Convert to fraction form
    109,500.94/151,111.50 = 59,199.94/x
  3. Step 3: Cross multiply
    109,500.94x = 151,111.50 × 59,199.94
  4. Step 4: Simplify right side
    109,500.94x = 8,945,791,355.53
  5. Step 5: Solve for x
    x = 8,945,791,355.53/109,500.94
  6. Step 6: Final answer
    x = 81,696.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.