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Finding the Fourth Proportional to 250,655.42, 376,005.24 and 70,742.46

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Solution

The fourth proportional to 250,655.42, 376,005.24 and 70,742.46 is: 106,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,655.42 : 376,005.24 = 70,742.46 : x
  2. Step 2: Convert to fraction form
    250,655.42/376,005.24 = 70,742.46/x
  3. Step 3: Cross multiply
    250,655.42x = 376,005.24 × 70,742.46
  4. Step 4: Simplify right side
    250,655.42x = 26,599,535,650.49
  5. Step 5: Solve for x
    x = 26,599,535,650.49/250,655.42
  6. Step 6: Final answer
    x = 106,119.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.