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Finding the Fourth Proportional to 235,195.70, 352,672.59 and 77,406.26

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Solution

The fourth proportional to 235,195.70, 352,672.59 and 77,406.26 is: 116,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,195.70 : 352,672.59 = 77,406.26 : x
  2. Step 2: Convert to fraction form
    235,195.70/352,672.59 = 77,406.26/x
  3. Step 3: Cross multiply
    235,195.70x = 352,672.59 × 77,406.26
  4. Step 4: Simplify right side
    235,195.70x = 27,299,066,196.41
  5. Step 5: Solve for x
    x = 27,299,066,196.41/235,195.70
  6. Step 6: Final answer
    x = 116,069.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.