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Finding the Fourth Proportional to 159,807.80, 240,068.10 and 133,563.80

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Solution

The fourth proportional to 159,807.80, 240,068.10 and 133,563.80 is: 200,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,807.80 : 240,068.10 = 133,563.80 : x
  2. Step 2: Convert to fraction form
    159,807.80/240,068.10 = 133,563.80/x
  3. Step 3: Cross multiply
    159,807.80x = 240,068.10 × 133,563.80
  4. Step 4: Simplify right side
    159,807.80x = 32,064,407,694.78
  5. Step 5: Solve for x
    x = 32,064,407,694.78/159,807.80
  6. Step 6: Final answer
    x = 200,643.57

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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.