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Finding the Fourth Proportional to 130,394.98, 179,903.01 and 73,025.74

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Solution

The fourth proportional to 130,394.98, 179,903.01 and 73,025.74 is: 100,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,394.98 : 179,903.01 = 73,025.74 : x
  2. Step 2: Convert to fraction form
    130,394.98/179,903.01 = 73,025.74/x
  3. Step 3: Cross multiply
    130,394.98x = 179,903.01 × 73,025.74
  4. Step 4: Simplify right side
    130,394.98x = 13,137,550,433.48
  5. Step 5: Solve for x
    x = 13,137,550,433.48/130,394.98
  6. Step 6: Final answer
    x = 100,751.96

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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.