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Finding the Fourth Proportional to 179,445.20, 269,038.20 and 100,583.60

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Solution

The fourth proportional to 179,445.20, 269,038.20 and 100,583.60 is: 150,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,445.20 : 269,038.20 = 100,583.60 : x
  2. Step 2: Convert to fraction form
    179,445.20/269,038.20 = 100,583.60/x
  3. Step 3: Cross multiply
    179,445.20x = 269,038.20 × 100,583.60
  4. Step 4: Simplify right side
    179,445.20x = 27,060,830,693.52
  5. Step 5: Solve for x
    x = 27,060,830,693.52/179,445.20
  6. Step 6: Final answer
    x = 150,802.76

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1.5x scale

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.