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Finding the Fourth Proportional to 93,063.74, 139,641.74 and 36,902.65

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Solution

The fourth proportional to 93,063.74, 139,641.74 and 36,902.65 is: 55,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,063.74 : 139,641.74 = 36,902.65 : x
  2. Step 2: Convert to fraction form
    93,063.74/139,641.74 = 36,902.65/x
  3. Step 3: Cross multiply
    93,063.74x = 139,641.74 × 36,902.65
  4. Step 4: Simplify right side
    93,063.74x = 5,153,149,999.76
  5. Step 5: Solve for x
    x = 5,153,149,999.76/93,063.74
  6. Step 6: Final answer
    x = 55,372.26

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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.