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Finding the Fourth Proportional to 106,911.58, 160,491.60 and 62,570.15

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Solution

The fourth proportional to 106,911.58, 160,491.60 and 62,570.15 is: 93,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,911.58 : 160,491.60 = 62,570.15 : x
  2. Step 2: Convert to fraction form
    106,911.58/160,491.60 = 62,570.15/x
  3. Step 3: Cross multiply
    106,911.58x = 160,491.60 × 62,570.15
  4. Step 4: Simplify right side
    106,911.58x = 10,041,983,886.97
  5. Step 5: Solve for x
    x = 10,041,983,886.97/106,911.58
  6. Step 6: Final answer
    x = 93,927.94

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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.