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Finding the Fourth Proportional to 181,148.64, 271,740.24 and 70,349.28

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Solution

The fourth proportional to 181,148.64, 271,740.24 and 70,349.28 is: 105,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,148.64 : 271,740.24 = 70,349.28 : x
  2. Step 2: Convert to fraction form
    181,148.64/271,740.24 = 70,349.28/x
  3. Step 3: Cross multiply
    181,148.64x = 271,740.24 × 70,349.28
  4. Step 4: Simplify right side
    181,148.64x = 19,116,730,231.03
  5. Step 5: Solve for x
    x = 19,116,730,231.03/181,148.64
  6. Step 6: Final answer
    x = 105,530.63

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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.