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Finding the Fourth Proportional to 119,309.69, 164,647.48 and 65,595.62

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Solution

The fourth proportional to 119,309.69, 164,647.48 and 65,595.62 is: 90,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,309.69 : 164,647.48 = 65,595.62 : x
  2. Step 2: Convert to fraction form
    119,309.69/164,647.48 = 65,595.62/x
  3. Step 3: Cross multiply
    119,309.69x = 164,647.48 × 65,595.62
  4. Step 4: Simplify right side
    119,309.69x = 10,800,153,532.04
  5. Step 5: Solve for x
    x = 10,800,153,532.04/119,309.69
  6. Step 6: Final answer
    x = 90,522.01

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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.