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Finding the Fourth Proportional to 117,744.39, 162,430.12 and 69,963.91

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Solution

The fourth proportional to 117,744.39, 162,430.12 and 69,963.91 is: 96,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,744.39 : 162,430.12 = 69,963.91 : x
  2. Step 2: Convert to fraction form
    117,744.39/162,430.12 = 69,963.91/x
  3. Step 3: Cross multiply
    117,744.39x = 162,430.12 × 69,963.91
  4. Step 4: Simplify right side
    117,744.39x = 11,364,246,296.97
  5. Step 5: Solve for x
    x = 11,364,246,296.97/117,744.39
  6. Step 6: Final answer
    x = 96,516.24

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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.