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Finding the Fourth Proportional to 179,153.95, 247,234.21 and 98,583.21

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Solution

The fourth proportional to 179,153.95, 247,234.21 and 98,583.21 is: 136,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,153.95 : 247,234.21 = 98,583.21 : x
  2. Step 2: Convert to fraction form
    179,153.95/247,234.21 = 98,583.21/x
  3. Step 3: Cross multiply
    179,153.95x = 247,234.21 × 98,583.21
  4. Step 4: Simplify right side
    179,153.95x = 24,373,142,043.61
  5. Step 5: Solve for x
    x = 24,373,142,043.61/179,153.95
  6. Step 6: Final answer
    x = 136,045.80

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1.5x scale

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.