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Finding the Fourth Proportional to 136,624.42, 188,541.87 and 75,369.22

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Solution

The fourth proportional to 136,624.42, 188,541.87 and 75,369.22 is: 104,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,624.42 : 188,541.87 = 75,369.22 : x
  2. Step 2: Convert to fraction form
    136,624.42/188,541.87 = 75,369.22/x
  3. Step 3: Cross multiply
    136,624.42x = 188,541.87 × 75,369.22
  4. Step 4: Simplify right side
    136,624.42x = 14,210,253,679.24
  5. Step 5: Solve for x
    x = 14,210,253,679.24/136,624.42
  6. Step 6: Final answer
    x = 104,009.62

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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.