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Finding the Fourth Proportional to 169,782.30, 234,299.54 and 94,330.80

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Solution

The fourth proportional to 169,782.30, 234,299.54 and 94,330.80 is: 130,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,782.30 : 234,299.54 = 94,330.80 : x
  2. Step 2: Convert to fraction form
    169,782.30/234,299.54 = 94,330.80/x
  3. Step 3: Cross multiply
    169,782.30x = 234,299.54 × 94,330.80
  4. Step 4: Simplify right side
    169,782.30x = 22,101,662,576.18
  5. Step 5: Solve for x
    x = 22,101,662,576.18/169,782.30
  6. Step 6: Final answer
    x = 130,176.48

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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.