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Finding the Fourth Proportional to 150,663.63, 207,900.66 and 90,232.72

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Solution

The fourth proportional to 150,663.63, 207,900.66 and 90,232.72 is: 124,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,663.63 : 207,900.66 = 90,232.72 : x
  2. Step 2: Convert to fraction form
    150,663.63/207,900.66 = 90,232.72/x
  3. Step 3: Cross multiply
    150,663.63x = 207,900.66 × 90,232.72
  4. Step 4: Simplify right side
    150,663.63x = 18,759,441,294.79
  5. Step 5: Solve for x
    x = 18,759,441,294.79/150,663.63
  6. Step 6: Final answer
    x = 124,512.08

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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.