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Finding the Fourth Proportional to 107,454.82, 160,960.74 and 62,946.64

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Solution

The fourth proportional to 107,454.82, 160,960.74 and 62,946.64 is: 94,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,454.82 : 160,960.74 = 62,946.64 : x
  2. Step 2: Convert to fraction form
    107,454.82/160,960.74 = 62,946.64/x
  3. Step 3: Cross multiply
    107,454.82x = 160,960.74 × 62,946.64
  4. Step 4: Simplify right side
    107,454.82x = 10,131,937,345.77
  5. Step 5: Solve for x
    x = 10,131,937,345.77/107,454.82
  6. Step 6: Final answer
    x = 94,290.21

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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.