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Finding the Fourth Proportional to 93,852.60, 140,780.34 and 31,523.64

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Solution

The fourth proportional to 93,852.60, 140,780.34 and 31,523.64 is: 47,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,852.60 : 140,780.34 = 31,523.64 : x
  2. Step 2: Convert to fraction form
    93,852.60/140,780.34 = 31,523.64/x
  3. Step 3: Cross multiply
    93,852.60x = 140,780.34 × 31,523.64
  4. Step 4: Simplify right side
    93,852.60x = 4,437,908,757.24
  5. Step 5: Solve for x
    x = 4,437,908,757.24/93,852.60
  6. Step 6: Final answer
    x = 47,285.94

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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.