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Finding the Fourth Proportional to 181,903.06, 272,788.06 and 69,527.71

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Solution

The fourth proportional to 181,903.06, 272,788.06 and 69,527.71 is: 104,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,903.06 : 272,788.06 = 69,527.71 : x
  2. Step 2: Convert to fraction form
    181,903.06/272,788.06 = 69,527.71/x
  3. Step 3: Cross multiply
    181,903.06x = 272,788.06 × 69,527.71
  4. Step 4: Simplify right side
    181,903.06x = 18,966,329,127.14
  5. Step 5: Solve for x
    x = 18,966,329,127.14/181,903.06
  6. Step 6: Final answer
    x = 104,266.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.