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Finding the Fourth Proportional to 118,007.79, 162,851.97 and 64,292.79

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Solution

The fourth proportional to 118,007.79, 162,851.97 and 64,292.79 is: 88,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,007.79 : 162,851.97 = 64,292.79 : x
  2. Step 2: Convert to fraction form
    118,007.79/162,851.97 = 64,292.79/x
  3. Step 3: Cross multiply
    118,007.79x = 162,851.97 × 64,292.79
  4. Step 4: Simplify right side
    118,007.79x = 10,470,207,082.40
  5. Step 5: Solve for x
    x = 10,470,207,082.40/118,007.79
  6. Step 6: Final answer
    x = 88,724.71

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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.