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Finding the Fourth Proportional to 150,220.68, 207,356.72 and 92,903.88

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Solution

The fourth proportional to 150,220.68, 207,356.72 and 92,903.88 is: 128,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,220.68 : 207,356.72 = 92,903.88 : x
  2. Step 2: Convert to fraction form
    150,220.68/207,356.72 = 92,903.88/x
  3. Step 3: Cross multiply
    150,220.68x = 207,356.72 × 92,903.88
  4. Step 4: Simplify right side
    150,220.68x = 19,264,243,832.07
  5. Step 5: Solve for x
    x = 19,264,243,832.07/150,220.68
  6. Step 6: Final answer
    x = 128,239.63

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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.