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Finding the Fourth Proportional to 169,491.68, 233,898 and 94,047.20

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Solution

The fourth proportional to 169,491.68, 233,898 and 94,047.20 is: 129,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,491.68 : 233,898 = 94,047.20 : x
  2. Step 2: Convert to fraction form
    169,491.68/233,898 = 94,047.20/x
  3. Step 3: Cross multiply
    169,491.68x = 233,898 × 94,047.20
  4. Step 4: Simplify right side
    169,491.68x = 21,997,451,985.60
  5. Step 5: Solve for x
    x = 21,997,451,985.60/169,491.68
  6. Step 6: Final answer
    x = 129,784.85

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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.