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Finding the Fourth Proportional to 150,359.87, 207,023.23 and 127,653.95

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Solution

The fourth proportional to 150,359.87, 207,023.23 and 127,653.95 is: 175,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,359.87 : 207,023.23 = 127,653.95 : x
  2. Step 2: Convert to fraction form
    150,359.87/207,023.23 = 127,653.95/x
  3. Step 3: Cross multiply
    150,359.87x = 207,023.23 × 127,653.95
  4. Step 4: Simplify right side
    150,359.87x = 26,427,333,051.26
  5. Step 5: Solve for x
    x = 26,427,333,051.26/150,359.87
  6. Step 6: Final answer
    x = 175,760.55

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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.