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Finding the Fourth Proportional to 150,313.65, 207,289.65 and 89,874.48

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Solution

The fourth proportional to 150,313.65, 207,289.65 and 89,874.48 is: 123,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,313.65 : 207,289.65 = 89,874.48 : x
  2. Step 2: Convert to fraction form
    150,313.65/207,289.65 = 89,874.48/x
  3. Step 3: Cross multiply
    150,313.65x = 207,289.65 × 89,874.48
  4. Step 4: Simplify right side
    150,313.65x = 18,630,049,503.13
  5. Step 5: Solve for x
    x = 18,630,049,503.13/150,313.65
  6. Step 6: Final answer
    x = 123,941.17

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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.