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Finding the Fourth Proportional to 93,611.80, 140,417.70 and 88,800.40

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Solution

The fourth proportional to 93,611.80, 140,417.70 and 88,800.40 is: 133,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,611.80 : 140,417.70 = 88,800.40 : x
  2. Step 2: Convert to fraction form
    93,611.80/140,417.70 = 88,800.40/x
  3. Step 3: Cross multiply
    93,611.80x = 140,417.70 × 88,800.40
  4. Step 4: Simplify right side
    93,611.80x = 12,469,147,927.08
  5. Step 5: Solve for x
    x = 12,469,147,927.08/93,611.80
  6. Step 6: Final answer
    x = 133,200.60

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1.5x scale

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.