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Finding the Fourth Proportional to 114,507.88, 171,777.40 and 39,607.92

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Solution

The fourth proportional to 114,507.88, 171,777.40 and 39,607.92 is: 59,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,507.88 : 171,777.40 = 39,607.92 : x
  2. Step 2: Convert to fraction form
    114,507.88/171,777.40 = 39,607.92/x
  3. Step 3: Cross multiply
    114,507.88x = 171,777.40 × 39,607.92
  4. Step 4: Simplify right side
    114,507.88x = 6,803,745,517.01
  5. Step 5: Solve for x
    x = 6,803,745,517.01/114,507.88
  6. Step 6: Final answer
    x = 59,417.27

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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.