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Finding the Fourth Proportional to 90,324, 124,646.88 and 50,037.84

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Solution

The fourth proportional to 90,324, 124,646.88 and 50,037.84 is: 69,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,324 : 124,646.88 = 50,037.84 : x
  2. Step 2: Convert to fraction form
    90,324/124,646.88 = 50,037.84/x
  3. Step 3: Cross multiply
    90,324x = 124,646.88 × 50,037.84
  4. Step 4: Simplify right side
    90,324x = 6,237,060,637.94
  5. Step 5: Solve for x
    x = 6,237,060,637.94/90,324
  6. Step 6: Final answer
    x = 69,052.09

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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.