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Finding the Fourth Proportional to 181,883.15, 251,157.54 and 114,017.09

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Solution

The fourth proportional to 181,883.15, 251,157.54 and 114,017.09 is: 157,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,883.15 : 251,157.54 = 114,017.09 : x
  2. Step 2: Convert to fraction form
    181,883.15/251,157.54 = 114,017.09/x
  3. Step 3: Cross multiply
    181,883.15x = 251,157.54 × 114,017.09
  4. Step 4: Simplify right side
    181,883.15x = 28,636,251,842.36
  5. Step 5: Solve for x
    x = 28,636,251,842.36/181,883.15
  6. Step 6: Final answer
    x = 157,443.13

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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.