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Finding the Fourth Proportional to 150,597.14, 207,808.64 and 90,166.22

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Solution

The fourth proportional to 150,597.14, 207,808.64 and 90,166.22 is: 124,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,597.14 : 207,808.64 = 90,166.22 : x
  2. Step 2: Convert to fraction form
    150,597.14/207,808.64 = 90,166.22/x
  3. Step 3: Cross multiply
    150,597.14x = 207,808.64 × 90,166.22
  4. Step 4: Simplify right side
    150,597.14x = 18,737,318,513.10
  5. Step 5: Solve for x
    x = 18,737,318,513.10/150,597.14
  6. Step 6: Final answer
    x = 124,420.15

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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.