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Finding the Fourth Proportional to 93,085.61, 139,572.11 and 36,933.17

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Solution

The fourth proportional to 93,085.61, 139,572.11 and 36,933.17 is: 55,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,085.61 : 139,572.11 = 36,933.17 : x
  2. Step 2: Convert to fraction form
    93,085.61/139,572.11 = 36,933.17/x
  3. Step 3: Cross multiply
    93,085.61x = 139,572.11 × 36,933.17
  4. Step 4: Simplify right side
    93,085.61x = 5,154,839,860.36
  5. Step 5: Solve for x
    x = 5,154,839,860.36/93,085.61
  6. Step 6: Final answer
    x = 55,377.41

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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.