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Finding the Fourth Proportional to 145,252.71, 217,811.03 and 60,994.89

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Solution

The fourth proportional to 145,252.71, 217,811.03 and 60,994.89 is: 91,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,252.71 : 217,811.03 = 60,994.89 : x
  2. Step 2: Convert to fraction form
    145,252.71/217,811.03 = 60,994.89/x
  3. Step 3: Cross multiply
    145,252.71x = 217,811.03 × 60,994.89
  4. Step 4: Simplify right side
    145,252.71x = 13,285,359,510.66
  5. Step 5: Solve for x
    x = 13,285,359,510.66/145,252.71
  6. Step 6: Final answer
    x = 91,463.76

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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.