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Finding the Fourth Proportional to 103,045.93, 154,540.33 and 36,477.29

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Solution

The fourth proportional to 103,045.93, 154,540.33 and 36,477.29 is: 54,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,045.93 : 154,540.33 = 36,477.29 : x
  2. Step 2: Convert to fraction form
    103,045.93/154,540.33 = 36,477.29/x
  3. Step 3: Cross multiply
    103,045.93x = 154,540.33 × 36,477.29
  4. Step 4: Simplify right side
    103,045.93x = 5,637,212,434.11
  5. Step 5: Solve for x
    x = 5,637,212,434.11/103,045.93
  6. Step 6: Final answer
    x = 54,705.82

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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.