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Finding the Fourth Proportional to 150,702.99, 207,935.23 and 90,250.71

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Solution

The fourth proportional to 150,702.99, 207,935.23 and 90,250.71 is: 124,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,702.99 : 207,935.23 = 90,250.71 : x
  2. Step 2: Convert to fraction form
    150,702.99/207,935.23 = 90,250.71/x
  3. Step 3: Cross multiply
    150,702.99x = 207,935.23 × 90,250.71
  4. Step 4: Simplify right side
    150,702.99x = 18,766,302,141.51
  5. Step 5: Solve for x
    x = 18,766,302,141.51/150,702.99
  6. Step 6: Final answer
    x = 124,525.08

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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.