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Finding the Fourth Proportional to 99,350, 149,025.36 and 94,366.88

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Solution

The fourth proportional to 99,350, 149,025.36 and 94,366.88 is: 141,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,350 : 149,025.36 = 94,366.88 : x
  2. Step 2: Convert to fraction form
    99,350/149,025.36 = 94,366.88/x
  3. Step 3: Cross multiply
    99,350x = 149,025.36 × 94,366.88
  4. Step 4: Simplify right side
    99,350x = 14,063,058,264.08
  5. Step 5: Solve for x
    x = 14,063,058,264.08/99,350
  6. Step 6: Final answer
    x = 141,550.66

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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.