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Finding the Fourth Proportional to 97,582.80, 134,656.92 and 65,794.56

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Solution

The fourth proportional to 97,582.80, 134,656.92 and 65,794.56 is: 90,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,582.80 : 134,656.92 = 65,794.56 : x
  2. Step 2: Convert to fraction form
    97,582.80/134,656.92 = 65,794.56/x
  3. Step 3: Cross multiply
    97,582.80x = 134,656.92 × 65,794.56
  4. Step 4: Simplify right side
    97,582.80x = 8,859,692,802.36
  5. Step 5: Solve for x
    x = 8,859,692,802.36/97,582.80
  6. Step 6: Final answer
    x = 90,791.54

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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.