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Finding the Fourth Proportional to 181,368.72, 272,052.54 and 48,249

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Solution

The fourth proportional to 181,368.72, 272,052.54 and 48,249 is: 72,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,368.72 : 272,052.54 = 48,249 : x
  2. Step 2: Convert to fraction form
    181,368.72/272,052.54 = 48,249/x
  3. Step 3: Cross multiply
    181,368.72x = 272,052.54 × 48,249
  4. Step 4: Simplify right side
    181,368.72x = 13,126,263,002.46
  5. Step 5: Solve for x
    x = 13,126,263,002.46/181,368.72
  6. Step 6: Final answer
    x = 72,373.36

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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.