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Finding the Fourth Proportional to 146,151.70, 201,531.29 and 126,866.21

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Solution

The fourth proportional to 146,151.70, 201,531.29 and 126,866.21 is: 174,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,151.70 : 201,531.29 = 126,866.21 : x
  2. Step 2: Convert to fraction form
    146,151.70/201,531.29 = 126,866.21/x
  3. Step 3: Cross multiply
    146,151.70x = 201,531.29 × 126,866.21
  4. Step 4: Simplify right side
    146,151.70x = 25,567,509,316.72
  5. Step 5: Solve for x
    x = 25,567,509,316.72/146,151.70
  6. Step 6: Final answer
    x = 174,938.16

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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.