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Finding the Fourth Proportional to 192,802.01, 289,147.48 and 66,437.15

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Solution

The fourth proportional to 192,802.01, 289,147.48 and 66,437.15 is: 99,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,802.01 : 289,147.48 = 66,437.15 : x
  2. Step 2: Convert to fraction form
    192,802.01/289,147.48 = 66,437.15/x
  3. Step 3: Cross multiply
    192,802.01x = 289,147.48 × 66,437.15
  4. Step 4: Simplify right side
    192,802.01x = 19,210,134,500.88
  5. Step 5: Solve for x
    x = 19,210,134,500.88/192,802.01
  6. Step 6: Final answer
    x = 99,636.59

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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.