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Finding the Fourth Proportional to 163,446.52, 225,465.13 and 151,887.16

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Solution

The fourth proportional to 163,446.52, 225,465.13 and 151,887.16 is: 209,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,446.52 : 225,465.13 = 151,887.16 : x
  2. Step 2: Convert to fraction form
    163,446.52/225,465.13 = 151,887.16/x
  3. Step 3: Cross multiply
    163,446.52x = 225,465.13 × 151,887.16
  4. Step 4: Simplify right side
    163,446.52x = 34,245,258,274.73
  5. Step 5: Solve for x
    x = 34,245,258,274.73/163,446.52
  6. Step 6: Final answer
    x = 209,519.65

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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.