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Finding the Fourth Proportional to 90,950.49, 125,495.06 and 50,663.22

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Solution

The fourth proportional to 90,950.49, 125,495.06 and 50,663.22 is: 69,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,950.49 : 125,495.06 = 50,663.22 : x
  2. Step 2: Convert to fraction form
    90,950.49/125,495.06 = 50,663.22/x
  3. Step 3: Cross multiply
    90,950.49x = 125,495.06 × 50,663.22
  4. Step 4: Simplify right side
    90,950.49x = 6,357,983,580.38
  5. Step 5: Solve for x
    x = 6,357,983,580.38/90,950.49
  6. Step 6: Final answer
    x = 69,905.98

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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.