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Finding the Fourth Proportional to 251,152.92, 376,581.69 and 101,398.23

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Solution

The fourth proportional to 251,152.92, 376,581.69 and 101,398.23 is: 152,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,152.92 : 376,581.69 = 101,398.23 : x
  2. Step 2: Convert to fraction form
    251,152.92/376,581.69 = 101,398.23/x
  3. Step 3: Cross multiply
    251,152.92x = 376,581.69 × 101,398.23
  4. Step 4: Simplify right side
    251,152.92x = 38,184,716,816.41
  5. Step 5: Solve for x
    x = 38,184,716,816.41/251,152.92
  6. Step 6: Final answer
    x = 152,037.72

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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.