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Finding the Fourth Proportional to 119,642.94, 165,095.97 and 70,576.92

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Solution

The fourth proportional to 119,642.94, 165,095.97 and 70,576.92 is: 97,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,642.94 : 165,095.97 = 70,576.92 : x
  2. Step 2: Convert to fraction form
    119,642.94/165,095.97 = 70,576.92/x
  3. Step 3: Cross multiply
    119,642.94x = 165,095.97 × 70,576.92
  4. Step 4: Simplify right side
    119,642.94x = 11,651,965,067.01
  5. Step 5: Solve for x
    x = 11,651,965,067.01/119,642.94
  6. Step 6: Final answer
    x = 97,389.49

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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.