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Finding the Fourth Proportional to 111,592.98, 154,045.41 and 75,343.53

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Solution

The fourth proportional to 111,592.98, 154,045.41 and 75,343.53 is: 104,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,592.98 : 154,045.41 = 75,343.53 : x
  2. Step 2: Convert to fraction form
    111,592.98/154,045.41 = 75,343.53/x
  3. Step 3: Cross multiply
    111,592.98x = 154,045.41 × 75,343.53
  4. Step 4: Simplify right side
    111,592.98x = 11,606,325,688.64
  5. Step 5: Solve for x
    x = 11,606,325,688.64/111,592.98
  6. Step 6: Final answer
    x = 104,005.88

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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.