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Finding the Fourth Proportional to 106,140.39, 146,473.52 and 58,393.63

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Solution

The fourth proportional to 106,140.39, 146,473.52 and 58,393.63 is: 80,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140.39 : 146,473.52 = 58,393.63 : x
  2. Step 2: Convert to fraction form
    106,140.39/146,473.52 = 58,393.63/x
  3. Step 3: Cross multiply
    106,140.39x = 146,473.52 × 58,393.63
  4. Step 4: Simplify right side
    106,140.39x = 8,553,120,036.84
  5. Step 5: Solve for x
    x = 8,553,120,036.84/106,140.39
  6. Step 6: Final answer
    x = 80,583.08

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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.