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Finding the Fourth Proportional to 100,362.65, 150,512.58 and 36,312.71

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Solution

The fourth proportional to 100,362.65, 150,512.58 and 36,312.71 is: 54,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,362.65 : 150,512.58 = 36,312.71 : x
  2. Step 2: Convert to fraction form
    100,362.65/150,512.58 = 36,312.71/x
  3. Step 3: Cross multiply
    100,362.65x = 150,512.58 × 36,312.71
  4. Step 4: Simplify right side
    100,362.65x = 5,465,518,916.33
  5. Step 5: Solve for x
    x = 5,465,518,916.33/100,362.65
  6. Step 6: Final answer
    x = 54,457.70

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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.