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Finding the Fourth Proportional to 77,048.58, 106,255.88 and 59,144.34

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Solution

The fourth proportional to 77,048.58, 106,255.88 and 59,144.34 is: 81,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,048.58 : 106,255.88 = 59,144.34 : x
  2. Step 2: Convert to fraction form
    77,048.58/106,255.88 = 59,144.34/x
  3. Step 3: Cross multiply
    77,048.58x = 106,255.88 × 59,144.34
  4. Step 4: Simplify right side
    77,048.58x = 6,284,433,893.72
  5. Step 5: Solve for x
    x = 6,284,433,893.72/77,048.58
  6. Step 6: Final answer
    x = 81,564.56

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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.