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Finding the Fourth Proportional to 193,553.92, 290,058.60 and 153,935.20

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Solution

The fourth proportional to 193,553.92, 290,058.60 and 153,935.20 is: 230,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,553.92 : 290,058.60 = 153,935.20 : x
  2. Step 2: Convert to fraction form
    193,553.92/290,058.60 = 153,935.20/x
  3. Step 3: Cross multiply
    193,553.92x = 290,058.60 × 153,935.20
  4. Step 4: Simplify right side
    193,553.92x = 44,650,228,602.72
  5. Step 5: Solve for x
    x = 44,650,228,602.72/193,553.92
  6. Step 6: Final answer
    x = 230,686.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.