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Finding the Fourth Proportional to 130,093.56, 179,526.78 and 73,503.72

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Solution

The fourth proportional to 130,093.56, 179,526.78 and 73,503.72 is: 101,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,093.56 : 179,526.78 = 73,503.72 : x
  2. Step 2: Convert to fraction form
    130,093.56/179,526.78 = 73,503.72/x
  3. Step 3: Cross multiply
    130,093.56x = 179,526.78 × 73,503.72
  4. Step 4: Simplify right side
    130,093.56x = 13,195,886,169.62
  5. Step 5: Solve for x
    x = 13,195,886,169.62/130,093.56
  6. Step 6: Final answer
    x = 101,433.82

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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.