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Finding the Fourth Proportional to 101,569.09, 140,147.94 and 63,340.63

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Solution

The fourth proportional to 101,569.09, 140,147.94 and 63,340.63 is: 87,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,569.09 : 140,147.94 = 63,340.63 : x
  2. Step 2: Convert to fraction form
    101,569.09/140,147.94 = 63,340.63/x
  3. Step 3: Cross multiply
    101,569.09x = 140,147.94 × 63,340.63
  4. Step 4: Simplify right side
    101,569.09x = 8,877,058,812.80
  5. Step 5: Solve for x
    x = 8,877,058,812.80/101,569.09
  6. Step 6: Final answer
    x = 87,399.22

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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.