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Finding the Fourth Proportional to 90,007.88, 124,210.87 and 50,263.88

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Solution

The fourth proportional to 90,007.88, 124,210.87 and 50,263.88 is: 69,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,007.88 : 124,210.87 = 50,263.88 : x
  2. Step 2: Convert to fraction form
    90,007.88/124,210.87 = 50,263.88/x
  3. Step 3: Cross multiply
    90,007.88x = 124,210.87 × 50,263.88
  4. Step 4: Simplify right side
    90,007.88x = 6,243,319,517.66
  5. Step 5: Solve for x
    x = 6,243,319,517.66/90,007.88
  6. Step 6: Final answer
    x = 69,364.15

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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.