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Finding the Fourth Proportional to 103,331.61, 154,943.51 and 36,762.03

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Solution

The fourth proportional to 103,331.61, 154,943.51 and 36,762.03 is: 55,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.61 : 154,943.51 = 36,762.03 : x
  2. Step 2: Convert to fraction form
    103,331.61/154,943.51 = 36,762.03/x
  3. Step 3: Cross multiply
    103,331.61x = 154,943.51 × 36,762.03
  4. Step 4: Simplify right side
    103,331.61x = 5,696,037,779.12
  5. Step 5: Solve for x
    x = 5,696,037,779.12/103,331.61
  6. Step 6: Final answer
    x = 55,123.87

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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.