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Finding the Fourth Proportional to 100,605.61, 150,814.60 and 33,999.16

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Solution

The fourth proportional to 100,605.61, 150,814.60 and 33,999.16 is: 50,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,605.61 : 150,814.60 = 33,999.16 : x
  2. Step 2: Convert to fraction form
    100,605.61/150,814.60 = 33,999.16/x
  3. Step 3: Cross multiply
    100,605.61x = 150,814.60 × 33,999.16
  4. Step 4: Simplify right side
    100,605.61x = 5,127,569,715.74
  5. Step 5: Solve for x
    x = 5,127,569,715.74/100,605.61
  6. Step 6: Final answer
    x = 50,967.04

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1.5x scale

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.