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Finding the Fourth Proportional to 238,349.76, 357,519.15 and 119,989.32

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Solution

The fourth proportional to 238,349.76, 357,519.15 and 119,989.32 is: 179,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,349.76 : 357,519.15 = 119,989.32 : x
  2. Step 2: Convert to fraction form
    238,349.76/357,519.15 = 119,989.32/x
  3. Step 3: Cross multiply
    238,349.76x = 357,519.15 × 119,989.32
  4. Step 4: Simplify right side
    238,349.76x = 42,898,479,695.48
  5. Step 5: Solve for x
    x = 42,898,479,695.48/238,349.76
  6. Step 6: Final answer
    x = 179,981.22

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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.