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Finding the Fourth Proportional to 84,833.70, 127,250.55 and 49,404.30

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Solution

The fourth proportional to 84,833.70, 127,250.55 and 49,404.30 is: 74,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,833.70 : 127,250.55 = 49,404.30 : x
  2. Step 2: Convert to fraction form
    84,833.70/127,250.55 = 49,404.30/x
  3. Step 3: Cross multiply
    84,833.70x = 127,250.55 × 49,404.30
  4. Step 4: Simplify right side
    84,833.70x = 6,286,724,347.37
  5. Step 5: Solve for x
    x = 6,286,724,347.37/84,833.70
  6. Step 6: Final answer
    x = 74,106.45

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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.