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Finding the Fourth Proportional to 170,821.66, 235,735.66 and 94,342.67

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Solution

The fourth proportional to 170,821.66, 235,735.66 and 94,342.67 is: 130,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821.66 : 235,735.66 = 94,342.67 : x
  2. Step 2: Convert to fraction form
    170,821.66/235,735.66 = 94,342.67/x
  3. Step 3: Cross multiply
    170,821.66x = 235,735.66 × 94,342.67
  4. Step 4: Simplify right side
    170,821.66x = 22,239,931,106.90
  5. Step 5: Solve for x
    x = 22,239,931,106.90/170,821.66
  6. Step 6: Final answer
    x = 130,193.86

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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.