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Finding the Fourth Proportional to 181,271.40, 250,149.11 and 99,599.51

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Solution

The fourth proportional to 181,271.40, 250,149.11 and 99,599.51 is: 137,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,271.40 : 250,149.11 = 99,599.51 : x
  2. Step 2: Convert to fraction form
    181,271.40/250,149.11 = 99,599.51/x
  3. Step 3: Cross multiply
    181,271.40x = 250,149.11 × 99,599.51
  4. Step 4: Simplify right side
    181,271.40x = 24,914,727,034.19
  5. Step 5: Solve for x
    x = 24,914,727,034.19/181,271.40
  6. Step 6: Final answer
    x = 137,444.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.