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Finding the Fourth Proportional to 170,869.60, 256,303.05 and 44,509.60

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Solution

The fourth proportional to 170,869.60, 256,303.05 and 44,509.60 is: 66,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,869.60 : 256,303.05 = 44,509.60 : x
  2. Step 2: Convert to fraction form
    170,869.60/256,303.05 = 44,509.60/x
  3. Step 3: Cross multiply
    170,869.60x = 256,303.05 × 44,509.60
  4. Step 4: Simplify right side
    170,869.60x = 11,407,946,234.28
  5. Step 5: Solve for x
    x = 11,407,946,234.28/170,869.60
  6. Step 6: Final answer
    x = 66,764.05

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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.