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Finding the Fourth Proportional to 179,655.52, 269,483.28 and 54,980.32

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Solution

The fourth proportional to 179,655.52, 269,483.28 and 54,980.32 is: 82,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,655.52 : 269,483.28 = 54,980.32 : x
  2. Step 2: Convert to fraction form
    179,655.52/269,483.28 = 54,980.32/x
  3. Step 3: Cross multiply
    179,655.52x = 269,483.28 × 54,980.32
  4. Step 4: Simplify right side
    179,655.52x = 14,816,276,969.05
  5. Step 5: Solve for x
    x = 14,816,276,969.05/179,655.52
  6. Step 6: Final answer
    x = 82,470.48

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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.