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Finding the Fourth Proportional to 158,752.92, 219,089.10 and 104,943.54

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Solution

The fourth proportional to 158,752.92, 219,089.10 and 104,943.54 is: 144,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,752.92 : 219,089.10 = 104,943.54 : x
  2. Step 2: Convert to fraction form
    158,752.92/219,089.10 = 104,943.54/x
  3. Step 3: Cross multiply
    158,752.92x = 219,089.10 × 104,943.54
  4. Step 4: Simplify right side
    158,752.92x = 22,991,985,729.41
  5. Step 5: Solve for x
    x = 22,991,985,729.41/158,752.92
  6. Step 6: Final answer
    x = 144,828.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.