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Finding the Fourth Proportional to 225,333, 310,966.02 and 124,737.48

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Solution

The fourth proportional to 225,333, 310,966.02 and 124,737.48 is: 172,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,333 : 310,966.02 = 124,737.48 : x
  2. Step 2: Convert to fraction form
    225,333/310,966.02 = 124,737.48/x
  3. Step 3: Cross multiply
    225,333x = 310,966.02 × 124,737.48
  4. Step 4: Simplify right side
    225,333x = 38,789,117,700.43
  5. Step 5: Solve for x
    x = 38,789,117,700.43/225,333
  6. Step 6: Final answer
    x = 172,141.31

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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.