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Finding the Fourth Proportional to 182,666.71, 252,072.13 and 99,879.18

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Solution

The fourth proportional to 182,666.71, 252,072.13 and 99,879.18 is: 137,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,666.71 : 252,072.13 = 99,879.18 : x
  2. Step 2: Convert to fraction form
    182,666.71/252,072.13 = 99,879.18/x
  3. Step 3: Cross multiply
    182,666.71x = 252,072.13 × 99,879.18
  4. Step 4: Simplify right side
    182,666.71x = 25,176,756,135.19
  5. Step 5: Solve for x
    x = 25,176,756,135.19/182,666.71
  6. Step 6: Final answer
    x = 137,828.93

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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.