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Finding the Fourth Proportional to 130,339.98, 179,847.27 and 75,903.66

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Solution

The fourth proportional to 130,339.98, 179,847.27 and 75,903.66 is: 104,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339.98 : 179,847.27 = 75,903.66 : x
  2. Step 2: Convert to fraction form
    130,339.98/179,847.27 = 75,903.66/x
  3. Step 3: Cross multiply
    130,339.98x = 179,847.27 × 75,903.66
  4. Step 4: Simplify right side
    130,339.98x = 13,651,066,034.01
  5. Step 5: Solve for x
    x = 13,651,066,034.01/130,339.98
  6. Step 6: Final answer
    x = 104,734.30

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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.