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Finding the Fourth Proportional to 144,570.81, 216,856.11 and 60,370.62

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Solution

The fourth proportional to 144,570.81, 216,856.11 and 60,370.62 is: 90,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,570.81 : 216,856.11 = 60,370.62 : x
  2. Step 2: Convert to fraction form
    144,570.81/216,856.11 = 60,370.62/x
  3. Step 3: Cross multiply
    144,570.81x = 216,856.11 × 60,370.62
  4. Step 4: Simplify right side
    144,570.81x = 13,091,737,811.49
  5. Step 5: Solve for x
    x = 13,091,737,811.49/144,570.81
  6. Step 6: Final answer
    x = 90,555.89

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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.