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Finding the Fourth Proportional to 170,870.02, 256,305.15 and 44,509.95

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Solution

The fourth proportional to 170,870.02, 256,305.15 and 44,509.95 is: 66,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,870.02 : 256,305.15 = 44,509.95 : x
  2. Step 2: Convert to fraction form
    170,870.02/256,305.15 = 44,509.95/x
  3. Step 3: Cross multiply
    170,870.02x = 256,305.15 × 44,509.95
  4. Step 4: Simplify right side
    170,870.02x = 11,408,129,411.24
  5. Step 5: Solve for x
    x = 11,408,129,411.24/170,870.02
  6. Step 6: Final answer
    x = 66,764.96

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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.