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Finding the Fourth Proportional to 109,778.67, 151,495.11 and 59,477.67

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Solution

The fourth proportional to 109,778.67, 151,495.11 and 59,477.67 is: 82,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,778.67 : 151,495.11 = 59,477.67 : x
  2. Step 2: Convert to fraction form
    109,778.67/151,495.11 = 59,477.67/x
  3. Step 3: Cross multiply
    109,778.67x = 151,495.11 × 59,477.67
  4. Step 4: Simplify right side
    109,778.67x = 9,010,576,159.19
  5. Step 5: Solve for x
    x = 9,010,576,159.19/109,778.67
  6. Step 6: Final answer
    x = 82,079.48

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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.