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Finding the Fourth Proportional to 130,614.69, 180,250.31 and 73,266.74

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Solution

The fourth proportional to 130,614.69, 180,250.31 and 73,266.74 is: 101,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,614.69 : 180,250.31 = 73,266.74 : x
  2. Step 2: Convert to fraction form
    130,614.69/180,250.31 = 73,266.74/x
  3. Step 3: Cross multiply
    130,614.69x = 180,250.31 × 73,266.74
  4. Step 4: Simplify right side
    130,614.69x = 13,206,351,330.10
  5. Step 5: Solve for x
    x = 13,206,351,330.10/130,614.69
  6. Step 6: Final answer
    x = 101,109.23

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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.