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Finding the Fourth Proportional to 60,127.49, 90,211.95 and 26,870.51

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Solution

The fourth proportional to 60,127.49, 90,211.95 and 26,870.51 is: 40,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,127.49 : 90,211.95 = 26,870.51 : x
  2. Step 2: Convert to fraction form
    60,127.49/90,211.95 = 26,870.51/x
  3. Step 3: Cross multiply
    60,127.49x = 90,211.95 × 26,870.51
  4. Step 4: Simplify right side
    60,127.49x = 2,424,040,653.53
  5. Step 5: Solve for x
    x = 2,424,040,653.53/60,127.49
  6. Step 6: Final answer
    x = 40,315.02

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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.