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Finding the Fourth Proportional to 150,363.69, 207,465.35 and 83,295.69

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Solution

The fourth proportional to 150,363.69, 207,465.35 and 83,295.69 is: 114,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,363.69 : 207,465.35 = 83,295.69 : x
  2. Step 2: Convert to fraction form
    150,363.69/207,465.35 = 83,295.69/x
  3. Step 3: Cross multiply
    150,363.69x = 207,465.35 × 83,295.69
  4. Step 4: Simplify right side
    150,363.69x = 17,280,969,062.86
  5. Step 5: Solve for x
    x = 17,280,969,062.86/150,363.69
  6. Step 6: Final answer
    x = 114,927.81

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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.