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Finding the Fourth Proportional to 193,614.90, 290,422.35 and 181,950.90

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Solution

The fourth proportional to 193,614.90, 290,422.35 and 181,950.90 is: 272,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,614.90 : 290,422.35 = 181,950.90 : x
  2. Step 2: Convert to fraction form
    193,614.90/290,422.35 = 181,950.90/x
  3. Step 3: Cross multiply
    193,614.90x = 290,422.35 × 181,950.90
  4. Step 4: Simplify right side
    193,614.90x = 52,842,607,962.62
  5. Step 5: Solve for x
    x = 52,842,607,962.62/193,614.90
  6. Step 6: Final answer
    x = 272,926.35

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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.