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Finding the Fourth Proportional to 96,783.49, 145,230.45 and 37,611.46

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Solution

The fourth proportional to 96,783.49, 145,230.45 and 37,611.46 is: 56,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,783.49 : 145,230.45 = 37,611.46 : x
  2. Step 2: Convert to fraction form
    96,783.49/145,230.45 = 37,611.46/x
  3. Step 3: Cross multiply
    96,783.49x = 145,230.45 × 37,611.46
  4. Step 4: Simplify right side
    96,783.49x = 5,462,329,260.96
  5. Step 5: Solve for x
    x = 5,462,329,260.96/96,783.49
  6. Step 6: Final answer
    x = 56,438.65

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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.