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Finding the Fourth Proportional to 76,210.83, 105,177.33 and 44,377.83

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Solution

The fourth proportional to 76,210.83, 105,177.33 and 44,377.83 is: 61,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,210.83 : 105,177.33 = 44,377.83 : x
  2. Step 2: Convert to fraction form
    76,210.83/105,177.33 = 44,377.83/x
  3. Step 3: Cross multiply
    76,210.83x = 105,177.33 × 44,377.83
  4. Step 4: Simplify right side
    76,210.83x = 4,667,541,670.59
  5. Step 5: Solve for x
    x = 4,667,541,670.59/76,210.83
  6. Step 6: Final answer
    x = 61,245.12

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1.5x scale

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.