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Finding the Fourth Proportional to 108,146.92, 162,164.99 and 57,574.67

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Solution

The fourth proportional to 108,146.92, 162,164.99 and 57,574.67 is: 86,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,146.92 : 162,164.99 = 57,574.67 : x
  2. Step 2: Convert to fraction form
    108,146.92/162,164.99 = 57,574.67/x
  3. Step 3: Cross multiply
    108,146.92x = 162,164.99 × 57,574.67
  4. Step 4: Simplify right side
    108,146.92x = 9,336,595,928.74
  5. Step 5: Solve for x
    x = 9,336,595,928.74/108,146.92
  6. Step 6: Final answer
    x = 86,332.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.