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Finding the Fourth Proportional to 119,410.86, 178,062.81 and 118,344.90

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Solution

The fourth proportional to 119,410.86, 178,062.81 and 118,344.90 is: 176,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,410.86 : 178,062.81 = 118,344.90 : x
  2. Step 2: Convert to fraction form
    119,410.86/178,062.81 = 118,344.90/x
  3. Step 3: Cross multiply
    119,410.86x = 178,062.81 × 118,344.90
  4. Step 4: Simplify right side
    119,410.86x = 21,072,825,443.17
  5. Step 5: Solve for x
    x = 21,072,825,443.17/119,410.86
  6. Step 6: Final answer
    x = 176,473.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.