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Finding the Fourth Proportional to 94,221, 141,303.36 and 31,029.48

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Solution

The fourth proportional to 94,221, 141,303.36 and 31,029.48 is: 46,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,221 : 141,303.36 = 31,029.48 : x
  2. Step 2: Convert to fraction form
    94,221/141,303.36 = 31,029.48/x
  3. Step 3: Cross multiply
    94,221x = 141,303.36 × 31,029.48
  4. Step 4: Simplify right side
    94,221x = 4,384,569,783.05
  5. Step 5: Solve for x
    x = 4,384,569,783.05/94,221
  6. Step 6: Final answer
    x = 46,534.95

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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.