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Finding the Fourth Proportional to 132,783.55, 199,210.79 and 57,909.73

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Solution

The fourth proportional to 132,783.55, 199,210.79 and 57,909.73 is: 86,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,783.55 : 199,210.79 = 57,909.73 : x
  2. Step 2: Convert to fraction form
    132,783.55/199,210.79 = 57,909.73/x
  3. Step 3: Cross multiply
    132,783.55x = 199,210.79 × 57,909.73
  4. Step 4: Simplify right side
    132,783.55x = 11,536,243,061.99
  5. Step 5: Solve for x
    x = 11,536,243,061.99/132,783.55
  6. Step 6: Final answer
    x = 86,880.06

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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.