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Finding the Fourth Proportional to 150,445, 225,681.18 and 39,637

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Solution

The fourth proportional to 150,445, 225,681.18 and 39,637 is: 59,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,445 : 225,681.18 = 39,637 : x
  2. Step 2: Convert to fraction form
    150,445/225,681.18 = 39,637/x
  3. Step 3: Cross multiply
    150,445x = 225,681.18 × 39,637
  4. Step 4: Simplify right side
    150,445x = 8,945,324,931.66
  5. Step 5: Solve for x
    x = 8,945,324,931.66/150,445
  6. Step 6: Final answer
    x = 59,459.10

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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.