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Finding the Fourth Proportional to 64,155.80, 88,527.27 and 35,471.58

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Solution

The fourth proportional to 64,155.80, 88,527.27 and 35,471.58 is: 48,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155.80 : 88,527.27 = 35,471.58 : x
  2. Step 2: Convert to fraction form
    64,155.80/88,527.27 = 35,471.58/x
  3. Step 3: Cross multiply
    64,155.80x = 88,527.27 × 35,471.58
  4. Step 4: Simplify right side
    64,155.80x = 3,140,202,139.99
  5. Step 5: Solve for x
    x = 3,140,202,139.99/64,155.80
  6. Step 6: Final answer
    x = 48,946.50

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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.