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Finding the Fourth Proportional to 89,950.52, 124,133.64 and 49,666.82

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Solution

The fourth proportional to 89,950.52, 124,133.64 and 49,666.82 is: 68,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,950.52 : 124,133.64 = 49,666.82 : x
  2. Step 2: Convert to fraction form
    89,950.52/124,133.64 = 49,666.82/x
  3. Step 3: Cross multiply
    89,950.52x = 124,133.64 × 49,666.82
  4. Step 4: Simplify right side
    89,950.52x = 6,165,322,533.16
  5. Step 5: Solve for x
    x = 6,165,322,533.16/89,950.52
  6. Step 6: Final answer
    x = 68,541.27

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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.