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Finding the Fourth Proportional to 103,492.54, 155,145.26 and 36,916.84

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Solution

The fourth proportional to 103,492.54, 155,145.26 and 36,916.84 is: 55,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,492.54 : 155,145.26 = 36,916.84 : x
  2. Step 2: Convert to fraction form
    103,492.54/155,145.26 = 36,916.84/x
  3. Step 3: Cross multiply
    103,492.54x = 155,145.26 × 36,916.84
  4. Step 4: Simplify right side
    103,492.54x = 5,727,472,740.18
  5. Step 5: Solve for x
    x = 5,727,472,740.18/103,492.54
  6. Step 6: Final answer
    x = 55,341.89

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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.