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Finding the Fourth Proportional to 149,730.95, 206,721.97 and 95,313.83

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Solution

The fourth proportional to 149,730.95, 206,721.97 and 95,313.83 is: 131,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,730.95 : 206,721.97 = 95,313.83 : x
  2. Step 2: Convert to fraction form
    149,730.95/206,721.97 = 95,313.83/x
  3. Step 3: Cross multiply
    149,730.95x = 206,721.97 × 95,313.83
  4. Step 4: Simplify right side
    149,730.95x = 19,703,463,132.90
  5. Step 5: Solve for x
    x = 19,703,463,132.90/149,730.95
  6. Step 6: Final answer
    x = 131,592.46

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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.