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Finding the Fourth Proportional to 100,159.81, 150,254.60 and 29,083.05

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Solution

The fourth proportional to 100,159.81, 150,254.60 and 29,083.05 is: 43,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,159.81 : 150,254.60 = 29,083.05 : x
  2. Step 2: Convert to fraction form
    100,159.81/150,254.60 = 29,083.05/x
  3. Step 3: Cross multiply
    100,159.81x = 150,254.60 × 29,083.05
  4. Step 4: Simplify right side
    100,159.81x = 4,369,861,899.11
  5. Step 5: Solve for x
    x = 4,369,861,899.11/100,159.81
  6. Step 6: Final answer
    x = 43,628.90

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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.