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Finding the Fourth Proportional to 210,552.48, 290,426.64 and 125,604

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Solution

The fourth proportional to 210,552.48, 290,426.64 and 125,604 is: 173,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,552.48 : 290,426.64 = 125,604 : x
  2. Step 2: Convert to fraction form
    210,552.48/290,426.64 = 125,604/x
  3. Step 3: Cross multiply
    210,552.48x = 290,426.64 × 125,604
  4. Step 4: Simplify right side
    210,552.48x = 36,478,747,690.56
  5. Step 5: Solve for x
    x = 36,478,747,690.56/210,552.48
  6. Step 6: Final answer
    x = 173,252.52

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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.