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Finding the Fourth Proportional to 181,777.44, 272,669.28 and 69,509.76

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Solution

The fourth proportional to 181,777.44, 272,669.28 and 69,509.76 is: 104,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,777.44 : 272,669.28 = 69,509.76 : x
  2. Step 2: Convert to fraction form
    181,777.44/272,669.28 = 69,509.76/x
  3. Step 3: Cross multiply
    181,777.44x = 272,669.28 × 69,509.76
  4. Step 4: Simplify right side
    181,777.44x = 18,953,176,212.17
  5. Step 5: Solve for x
    x = 18,953,176,212.17/181,777.44
  6. Step 6: Final answer
    x = 104,265.83

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1.5x scale

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.