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Finding the Fourth Proportional to 250,184.82, 345,254.54 and 135,463.57

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Solution

The fourth proportional to 250,184.82, 345,254.54 and 135,463.57 is: 186,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,184.82 : 345,254.54 = 135,463.57 : x
  2. Step 2: Convert to fraction form
    250,184.82/345,254.54 = 135,463.57/x
  3. Step 3: Cross multiply
    250,184.82x = 345,254.54 × 135,463.57
  4. Step 4: Simplify right side
    250,184.82x = 46,769,412,547.11
  5. Step 5: Solve for x
    x = 46,769,412,547.11/250,184.82
  6. Step 6: Final answer
    x = 186,939.45

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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.