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Finding the Fourth Proportional to 70,210.41, 105,315.62 and 23,463.28

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Solution

The fourth proportional to 70,210.41, 105,315.62 and 23,463.28 is: 35,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.41 : 105,315.62 = 23,463.28 : x
  2. Step 2: Convert to fraction form
    70,210.41/105,315.62 = 23,463.28/x
  3. Step 3: Cross multiply
    70,210.41x = 105,315.62 × 23,463.28
  4. Step 4: Simplify right side
    70,210.41x = 2,471,049,894.76
  5. Step 5: Solve for x
    x = 2,471,049,894.76/70,210.41
  6. Step 6: Final answer
    x = 35,194.92

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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.