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Finding the Fourth Proportional to 85,460.63, 117,835.62 and 58,252.82

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Solution

The fourth proportional to 85,460.63, 117,835.62 and 58,252.82 is: 80,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,460.63 : 117,835.62 = 58,252.82 : x
  2. Step 2: Convert to fraction form
    85,460.63/117,835.62 = 58,252.82/x
  3. Step 3: Cross multiply
    85,460.63x = 117,835.62 × 58,252.82
  4. Step 4: Simplify right side
    85,460.63x = 6,864,257,161.45
  5. Step 5: Solve for x
    x = 6,864,257,161.45/85,460.63
  6. Step 6: Final answer
    x = 80,320.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.