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Finding the Fourth Proportional to 173,957.92, 240,039.52 and 102,311.80

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Solution

The fourth proportional to 173,957.92, 240,039.52 and 102,311.80 is: 141,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,957.92 : 240,039.52 = 102,311.80 : x
  2. Step 2: Convert to fraction form
    173,957.92/240,039.52 = 102,311.80/x
  3. Step 3: Cross multiply
    173,957.92x = 240,039.52 × 102,311.80
  4. Step 4: Simplify right side
    173,957.92x = 24,558,874,506.46
  5. Step 5: Solve for x
    x = 24,558,874,506.46/173,957.92
  6. Step 6: Final answer
    x = 141,177.10

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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.