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Finding the Fourth Proportional to 193,937.29, 290,282.64 and 103,754.98

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Solution

The fourth proportional to 193,937.29, 290,282.64 and 103,754.98 is: 155,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,937.29 : 290,282.64 = 103,754.98 : x
  2. Step 2: Convert to fraction form
    193,937.29/290,282.64 = 103,754.98/x
  3. Step 3: Cross multiply
    193,937.29x = 290,282.64 × 103,754.98
  4. Step 4: Simplify right side
    193,937.29x = 30,118,267,848.48
  5. Step 5: Solve for x
    x = 30,118,267,848.48/193,937.29
  6. Step 6: Final answer
    x = 155,299.01

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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.