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Finding the Fourth Proportional to 150,364.50, 207,503.01 and 89,937.69

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Solution

The fourth proportional to 150,364.50, 207,503.01 and 89,937.69 is: 124,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,364.50 : 207,503.01 = 89,937.69 : x
  2. Step 2: Convert to fraction form
    150,364.50/207,503.01 = 89,937.69/x
  3. Step 3: Cross multiply
    150,364.50x = 207,503.01 × 89,937.69
  4. Step 4: Simplify right side
    150,364.50x = 18,662,341,387.45
  5. Step 5: Solve for x
    x = 18,662,341,387.45/150,364.50
  6. Step 6: Final answer
    x = 124,114.01

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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.