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Finding the Fourth Proportional to 112,035, 154,611.54 and 61,737.24

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Solution

The fourth proportional to 112,035, 154,611.54 and 61,737.24 is: 85,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,035 : 154,611.54 = 61,737.24 : x
  2. Step 2: Convert to fraction form
    112,035/154,611.54 = 61,737.24/x
  3. Step 3: Cross multiply
    112,035x = 154,611.54 × 61,737.24
  4. Step 4: Simplify right side
    112,035x = 9,545,289,751.75
  5. Step 5: Solve for x
    x = 9,545,289,751.75/112,035
  6. Step 6: Final answer
    x = 85,199.18

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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.