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Finding the Fourth Proportional to 79,808.94, 119,632.61 and 51,746.76

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Solution

The fourth proportional to 79,808.94, 119,632.61 and 51,746.76 is: 77,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.94 : 119,632.61 = 51,746.76 : x
  2. Step 2: Convert to fraction form
    79,808.94/119,632.61 = 51,746.76/x
  3. Step 3: Cross multiply
    79,808.94x = 119,632.61 × 51,746.76
  4. Step 4: Simplify right side
    79,808.94x = 6,190,600,087.21
  5. Step 5: Solve for x
    x = 6,190,600,087.21/79,808.94
  6. Step 6: Final answer
    x = 77,567.75

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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.