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Finding the Fourth Proportional to 90,047, 124,264.92 and 52,323.68

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Solution

The fourth proportional to 90,047, 124,264.92 and 52,323.68 is: 72,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,047 : 124,264.92 = 52,323.68 : x
  2. Step 2: Convert to fraction form
    90,047/124,264.92 = 52,323.68/x
  3. Step 3: Cross multiply
    90,047x = 124,264.92 × 52,323.68
  4. Step 4: Simplify right side
    90,047x = 6,501,997,909.31
  5. Step 5: Solve for x
    x = 6,501,997,909.31/90,047
  6. Step 6: Final answer
    x = 72,206.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.