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Finding the Fourth Proportional to 247,153.01, 340,939.60 and 150,386.36

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Solution

The fourth proportional to 247,153.01, 340,939.60 and 150,386.36 is: 207,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,153.01 : 340,939.60 = 150,386.36 : x
  2. Step 2: Convert to fraction form
    247,153.01/340,939.60 = 150,386.36/x
  3. Step 3: Cross multiply
    247,153.01x = 340,939.60 × 150,386.36
  4. Step 4: Simplify right side
    247,153.01x = 51,272,663,343.19
  5. Step 5: Solve for x
    x = 51,272,663,343.19/247,153.01
  6. Step 6: Final answer
    x = 207,453.13

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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.