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Finding the Fourth Proportional to 210,229.73, 290,112.98 and 114,737.11

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Solution

The fourth proportional to 210,229.73, 290,112.98 and 114,737.11 is: 158,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,229.73 : 290,112.98 = 114,737.11 : x
  2. Step 2: Convert to fraction form
    210,229.73/290,112.98 = 114,737.11/x
  3. Step 3: Cross multiply
    210,229.73x = 290,112.98 × 114,737.11
  4. Step 4: Simplify right side
    210,229.73x = 33,286,725,791.73
  5. Step 5: Solve for x
    x = 33,286,725,791.73/210,229.73
  6. Step 6: Final answer
    x = 158,335.00

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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.