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Finding the Fourth Proportional to 146,453.88, 201,955.50 and 125,303.16

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Solution

The fourth proportional to 146,453.88, 201,955.50 and 125,303.16 is: 172,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,453.88 : 201,955.50 = 125,303.16 : x
  2. Step 2: Convert to fraction form
    146,453.88/201,955.50 = 125,303.16/x
  3. Step 3: Cross multiply
    146,453.88x = 201,955.50 × 125,303.16
  4. Step 4: Simplify right side
    146,453.88x = 25,305,662,329.38
  5. Step 5: Solve for x
    x = 25,305,662,329.38/146,453.88
  6. Step 6: Final answer
    x = 172,789.29

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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.