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Finding the Fourth Proportional to 219,812.76, 329,730.70 and 62,053.56

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Solution

The fourth proportional to 219,812.76, 329,730.70 and 62,053.56 is: 93,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,812.76 : 329,730.70 = 62,053.56 : x
  2. Step 2: Convert to fraction form
    219,812.76/329,730.70 = 62,053.56/x
  3. Step 3: Cross multiply
    219,812.76x = 329,730.70 × 62,053.56
  4. Step 4: Simplify right side
    219,812.76x = 20,460,963,776.29
  5. Step 5: Solve for x
    x = 20,460,963,776.29/219,812.76
  6. Step 6: Final answer
    x = 93,083.60

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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.