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Finding the Fourth Proportional to 84,794.86, 116,950.14 and 75,114.67

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Solution

The fourth proportional to 84,794.86, 116,950.14 and 75,114.67 is: 103,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,794.86 : 116,950.14 = 75,114.67 : x
  2. Step 2: Convert to fraction form
    84,794.86/116,950.14 = 75,114.67/x
  3. Step 3: Cross multiply
    84,794.86x = 116,950.14 × 75,114.67
  4. Step 4: Simplify right side
    84,794.86x = 8,784,671,172.55
  5. Step 5: Solve for x
    x = 8,784,671,172.55/84,794.86
  6. Step 6: Final answer
    x = 103,599.10

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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.