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Finding the Fourth Proportional to 130,393.98, 179,901.63 and 73,024.74

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Solution

The fourth proportional to 130,393.98, 179,901.63 and 73,024.74 is: 100,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,393.98 : 179,901.63 = 73,024.74 : x
  2. Step 2: Convert to fraction form
    130,393.98/179,901.63 = 73,024.74/x
  3. Step 3: Cross multiply
    130,393.98x = 179,901.63 × 73,024.74
  4. Step 4: Simplify right side
    130,393.98x = 13,137,269,756.33
  5. Step 5: Solve for x
    x = 13,137,269,756.33/130,393.98
  6. Step 6: Final answer
    x = 100,750.58

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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.