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Finding the Fourth Proportional to 373,403.94, 560,109.77 and 92,921.19

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Solution

The fourth proportional to 373,403.94, 560,109.77 and 92,921.19 is: 139,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,403.94 : 560,109.77 = 92,921.19 : x
  2. Step 2: Convert to fraction form
    373,403.94/560,109.77 = 92,921.19/x
  3. Step 3: Cross multiply
    373,403.94x = 560,109.77 × 92,921.19
  4. Step 4: Simplify right side
    373,403.94x = 52,046,065,894.42
  5. Step 5: Solve for x
    x = 52,046,065,894.42/373,403.94
  6. Step 6: Final answer
    x = 139,382.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.