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Finding the Fourth Proportional to 250,903.28, 376,460.16 and 156,212.72

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Solution

The fourth proportional to 250,903.28, 376,460.16 and 156,212.72 is: 234,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,903.28 : 376,460.16 = 156,212.72 : x
  2. Step 2: Convert to fraction form
    250,903.28/376,460.16 = 156,212.72/x
  3. Step 3: Cross multiply
    250,903.28x = 376,460.16 × 156,212.72
  4. Step 4: Simplify right side
    250,903.28x = 58,807,865,565.24
  5. Step 5: Solve for x
    x = 58,807,865,565.24/250,903.28
  6. Step 6: Final answer
    x = 234,384.60

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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.