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Finding the Fourth Proportional to 181,807.80, 250,889.63 and 99,019.91

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Solution

The fourth proportional to 181,807.80, 250,889.63 and 99,019.91 is: 136,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,807.80 : 250,889.63 = 99,019.91 : x
  2. Step 2: Convert to fraction form
    181,807.80/250,889.63 = 99,019.91/x
  3. Step 3: Cross multiply
    181,807.80x = 250,889.63 × 99,019.91
  4. Step 4: Simplify right side
    181,807.80x = 24,843,068,582.53
  5. Step 5: Solve for x
    x = 24,843,068,582.53/181,807.80
  6. Step 6: Final answer
    x = 136,644.68

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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.