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Finding the Fourth Proportional to 250,638.50, 375,953.65 and 61,099.41

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Solution

The fourth proportional to 250,638.50, 375,953.65 and 61,099.41 is: 91,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,638.50 : 375,953.65 = 61,099.41 : x
  2. Step 2: Convert to fraction form
    250,638.50/375,953.65 = 61,099.41/x
  3. Step 3: Cross multiply
    250,638.50x = 375,953.65 × 61,099.41
  4. Step 4: Simplify right side
    250,638.50x = 22,970,547,459.42
  5. Step 5: Solve for x
    x = 22,970,547,459.42/250,638.50
  6. Step 6: Final answer
    x = 91,648.12

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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.