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Finding the Fourth Proportional to 83,368.51, 115,059.50 and 47,550.31

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Solution

The fourth proportional to 83,368.51, 115,059.50 and 47,550.31 is: 65,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,368.51 : 115,059.50 = 47,550.31 : x
  2. Step 2: Convert to fraction form
    83,368.51/115,059.50 = 47,550.31/x
  3. Step 3: Cross multiply
    83,368.51x = 115,059.50 × 47,550.31
  4. Step 4: Simplify right side
    83,368.51x = 5,471,114,893.45
  5. Step 5: Solve for x
    x = 5,471,114,893.45/83,368.51
  6. Step 6: Final answer
    x = 65,625.68

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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.