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Finding the Fourth Proportional to 77,970.98, 107,593.44 and 46,134.34

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Solution

The fourth proportional to 77,970.98, 107,593.44 and 46,134.34 is: 63,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,970.98 : 107,593.44 = 46,134.34 : x
  2. Step 2: Convert to fraction form
    77,970.98/107,593.44 = 46,134.34/x
  3. Step 3: Cross multiply
    77,970.98x = 107,593.44 × 46,134.34
  4. Step 4: Simplify right side
    77,970.98x = 4,963,752,342.73
  5. Step 5: Solve for x
    x = 4,963,752,342.73/77,970.98
  6. Step 6: Final answer
    x = 63,661.54

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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.