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Finding the Fourth Proportional to 242,690.51, 334,936.61 and 181,330.23

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Solution

The fourth proportional to 242,690.51, 334,936.61 and 181,330.23 is: 250,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,690.51 : 334,936.61 = 181,330.23 : x
  2. Step 2: Convert to fraction form
    242,690.51/334,936.61 = 181,330.23/x
  3. Step 3: Cross multiply
    242,690.51x = 334,936.61 × 181,330.23
  4. Step 4: Simplify right side
    242,690.51x = 60,734,132,526.72
  5. Step 5: Solve for x
    x = 60,734,132,526.72/242,690.51
  6. Step 6: Final answer
    x = 250,253.43

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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.