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Finding the Fourth Proportional to 181,803.40, 272,705.10 and 48,704.20

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Solution

The fourth proportional to 181,803.40, 272,705.10 and 48,704.20 is: 73,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,803.40 : 272,705.10 = 48,704.20 : x
  2. Step 2: Convert to fraction form
    181,803.40/272,705.10 = 48,704.20/x
  3. Step 3: Cross multiply
    181,803.40x = 272,705.10 × 48,704.20
  4. Step 4: Simplify right side
    181,803.40x = 13,281,883,731.42
  5. Step 5: Solve for x
    x = 13,281,883,731.42/181,803.40
  6. Step 6: Final answer
    x = 73,056.30

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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.