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Finding the Fourth Proportional to 155,456.40, 233,242.20 and 149,696.40

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Solution

The fourth proportional to 155,456.40, 233,242.20 and 149,696.40 is: 224,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,456.40 : 233,242.20 = 149,696.40 : x
  2. Step 2: Convert to fraction form
    155,456.40/233,242.20 = 149,696.40/x
  3. Step 3: Cross multiply
    155,456.40x = 233,242.20 × 149,696.40
  4. Step 4: Simplify right side
    155,456.40x = 34,915,517,668.08
  5. Step 5: Solve for x
    x = 34,915,517,668.08/155,456.40
  6. Step 6: Final answer
    x = 224,600.07

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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.