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Finding the Fourth Proportional to 84,332, 116,376.60 and 46,605.44

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Solution

The fourth proportional to 84,332, 116,376.60 and 46,605.44 is: 64,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,332 : 116,376.60 = 46,605.44 : x
  2. Step 2: Convert to fraction form
    84,332/116,376.60 = 46,605.44/x
  3. Step 3: Cross multiply
    84,332x = 116,376.60 × 46,605.44
  4. Step 4: Simplify right side
    84,332x = 5,423,782,648.70
  5. Step 5: Solve for x
    x = 5,423,782,648.70/84,332
  6. Step 6: Final answer
    x = 64,314.65

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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.