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Finding the Fourth Proportional to 79,042.77, 118,605.06 and 34,700.67

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Solution

The fourth proportional to 79,042.77, 118,605.06 and 34,700.67 is: 52,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042.77 : 118,605.06 = 34,700.67 : x
  2. Step 2: Convert to fraction form
    79,042.77/118,605.06 = 34,700.67/x
  3. Step 3: Cross multiply
    79,042.77x = 118,605.06 × 34,700.67
  4. Step 4: Simplify right side
    79,042.77x = 4,115,675,047.39
  5. Step 5: Solve for x
    x = 4,115,675,047.39/79,042.77
  6. Step 6: Final answer
    x = 52,068.96

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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.