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Finding the Fourth Proportional to 58,158.97, 86,844.49 and 46,178.32

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Solution

The fourth proportional to 58,158.97, 86,844.49 and 46,178.32 is: 68,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,158.97 : 86,844.49 = 46,178.32 : x
  2. Step 2: Convert to fraction form
    58,158.97/86,844.49 = 46,178.32/x
  3. Step 3: Cross multiply
    58,158.97x = 86,844.49 × 46,178.32
  4. Step 4: Simplify right side
    58,158.97x = 4,010,332,308.17
  5. Step 5: Solve for x
    x = 4,010,332,308.17/58,158.97
  6. Step 6: Final answer
    x = 68,954.66

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1.5x scale

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.