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Finding the Fourth Proportional to 130,351.52, 179,887.86 and 73,762.88

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Solution

The fourth proportional to 130,351.52, 179,887.86 and 73,762.88 is: 101,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,351.52 : 179,887.86 = 73,762.88 : x
  2. Step 2: Convert to fraction form
    130,351.52/179,887.86 = 73,762.88/x
  3. Step 3: Cross multiply
    130,351.52x = 179,887.86 × 73,762.88
  4. Step 4: Simplify right side
    130,351.52x = 13,269,046,630.64
  5. Step 5: Solve for x
    x = 13,269,046,630.64/130,351.52
  6. Step 6: Final answer
    x = 101,794.34

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1.5x scale

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.