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Finding the Fourth Proportional to 210,527.49, 315,753.13 and 60,730.95

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Solution

The fourth proportional to 210,527.49, 315,753.13 and 60,730.95 is: 91,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,527.49 : 315,753.13 = 60,730.95 : x
  2. Step 2: Convert to fraction form
    210,527.49/315,753.13 = 60,730.95/x
  3. Step 3: Cross multiply
    210,527.49x = 315,753.13 × 60,730.95
  4. Step 4: Simplify right side
    210,527.49x = 19,175,987,550.37
  5. Step 5: Solve for x
    x = 19,175,987,550.37/210,527.49
  6. Step 6: Final answer
    x = 91,085.43

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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.