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Finding the Fourth Proportional to 181,806.80, 250,888.25 and 99,018.91

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Solution

The fourth proportional to 181,806.80, 250,888.25 and 99,018.91 is: 136,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,806.80 : 250,888.25 = 99,018.91 : x
  2. Step 2: Convert to fraction form
    181,806.80/250,888.25 = 99,018.91/x
  3. Step 3: Cross multiply
    181,806.80x = 250,888.25 × 99,018.91
  4. Step 4: Simplify right side
    181,806.80x = 24,842,679,465.68
  5. Step 5: Solve for x
    x = 24,842,679,465.68/181,806.80
  6. Step 6: Final answer
    x = 136,643.29

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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.