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Finding the Fourth Proportional to 169,191, 233,491.23 and 93,739.50

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Solution

The fourth proportional to 169,191, 233,491.23 and 93,739.50 is: 129,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,191 : 233,491.23 = 93,739.50 : x
  2. Step 2: Convert to fraction form
    169,191/233,491.23 = 93,739.50/x
  3. Step 3: Cross multiply
    169,191x = 233,491.23 × 93,739.50
  4. Step 4: Simplify right side
    169,191x = 21,887,351,154.59
  5. Step 5: Solve for x
    x = 21,887,351,154.59/169,191
  6. Step 6: Final answer
    x = 129,364.75

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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.