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Finding the Fourth Proportional to 181,886.16, 251,161.68 and 114,020.10

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Solution

The fourth proportional to 181,886.16, 251,161.68 and 114,020.10 is: 157,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,886.16 : 251,161.68 = 114,020.10 : x
  2. Step 2: Convert to fraction form
    181,886.16/251,161.68 = 114,020.10/x
  3. Step 3: Cross multiply
    181,886.16x = 251,161.68 × 114,020.10
  4. Step 4: Simplify right side
    181,886.16x = 28,637,479,869.77
  5. Step 5: Solve for x
    x = 28,637,479,869.77/181,886.16
  6. Step 6: Final answer
    x = 157,447.27

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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.