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Finding the Fourth Proportional to 112,100.04, 154,697.04 and 61,799.04

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Solution

The fourth proportional to 112,100.04, 154,697.04 and 61,799.04 is: 85,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100.04 : 154,697.04 = 61,799.04 : x
  2. Step 2: Convert to fraction form
    112,100.04/154,697.04 = 61,799.04/x
  3. Step 3: Cross multiply
    112,100.04x = 154,697.04 × 61,799.04
  4. Step 4: Simplify right side
    112,100.04x = 9,560,128,562.84
  5. Step 5: Solve for x
    x = 9,560,128,562.84/112,100.04
  6. Step 6: Final answer
    x = 85,282.12

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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.