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Finding the Fourth Proportional to 119,317.86, 164,654.22 and 65,599.67

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Solution

The fourth proportional to 119,317.86, 164,654.22 and 65,599.67 is: 90,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,317.86 : 164,654.22 = 65,599.67 : x
  2. Step 2: Convert to fraction form
    119,317.86/164,654.22 = 65,599.67/x
  3. Step 3: Cross multiply
    119,317.86x = 164,654.22 × 65,599.67
  4. Step 4: Simplify right side
    119,317.86x = 10,801,262,784.74
  5. Step 5: Solve for x
    x = 10,801,262,784.74/119,317.86
  6. Step 6: Final answer
    x = 90,525.11

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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.