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Finding the Fourth Proportional to 106,328.39, 146,733.57 and 58,580.70

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Solution

The fourth proportional to 106,328.39, 146,733.57 and 58,580.70 is: 80,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,328.39 : 146,733.57 = 58,580.70 : x
  2. Step 2: Convert to fraction form
    106,328.39/146,733.57 = 58,580.70/x
  3. Step 3: Cross multiply
    106,328.39x = 146,733.57 × 58,580.70
  4. Step 4: Simplify right side
    106,328.39x = 8,595,755,244.10
  5. Step 5: Solve for x
    x = 8,595,755,244.10/106,328.39
  6. Step 6: Final answer
    x = 80,841.59

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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.