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Finding the Fourth Proportional to 181,364.97, 250,278.66 and 100,790.46

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Solution

The fourth proportional to 181,364.97, 250,278.66 and 100,790.46 is: 139,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,364.97 : 250,278.66 = 100,790.46 : x
  2. Step 2: Convert to fraction form
    181,364.97/250,278.66 = 100,790.46/x
  3. Step 3: Cross multiply
    181,364.97x = 250,278.66 × 100,790.46
  4. Step 4: Simplify right side
    181,364.97x = 25,225,701,269.58
  5. Step 5: Solve for x
    x = 25,225,701,269.58/181,364.97
  6. Step 6: Final answer
    x = 139,088.06

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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.