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Finding the Fourth Proportional to 250,904.28, 376,461.66 and 156,213.72

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Solution

The fourth proportional to 250,904.28, 376,461.66 and 156,213.72 is: 234,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,904.28 : 376,461.66 = 156,213.72 : x
  2. Step 2: Convert to fraction form
    250,904.28/376,461.66 = 156,213.72/x
  3. Step 3: Cross multiply
    250,904.28x = 376,461.66 × 156,213.72
  4. Step 4: Simplify right side
    250,904.28x = 58,808,476,345.98
  5. Step 5: Solve for x
    x = 58,808,476,345.98/250,904.28
  6. Step 6: Final answer
    x = 234,386.10

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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.