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Finding the Fourth Proportional to 114,900.78, 172,349.88 and 44,829.30

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Solution

The fourth proportional to 114,900.78, 172,349.88 and 44,829.30 is: 67,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,900.78 : 172,349.88 = 44,829.30 : x
  2. Step 2: Convert to fraction form
    114,900.78/172,349.88 = 44,829.30/x
  3. Step 3: Cross multiply
    114,900.78x = 172,349.88 × 44,829.30
  4. Step 4: Simplify right side
    114,900.78x = 7,726,324,475.48
  5. Step 5: Solve for x
    x = 7,726,324,475.48/114,900.78
  6. Step 6: Final answer
    x = 67,243.45

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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.