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Finding the Fourth Proportional to 176,601.60, 242,870.40 and 162,604.80

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Solution

The fourth proportional to 176,601.60, 242,870.40 and 162,604.80 is: 223,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,601.60 : 242,870.40 = 162,604.80 : x
  2. Step 2: Convert to fraction form
    176,601.60/242,870.40 = 162,604.80/x
  3. Step 3: Cross multiply
    176,601.60x = 242,870.40 × 162,604.80
  4. Step 4: Simplify right side
    176,601.60x = 39,491,892,817.92
  5. Step 5: Solve for x
    x = 39,491,892,817.92/176,601.60
  6. Step 6: Final answer
    x = 223,621.38

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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.