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Finding the Fourth Proportional to 150,135.84, 207,190.48 and 83,068.96

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Solution

The fourth proportional to 150,135.84, 207,190.48 and 83,068.96 is: 114,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,135.84 : 207,190.48 = 83,068.96 : x
  2. Step 2: Convert to fraction form
    150,135.84/207,190.48 = 83,068.96/x
  3. Step 3: Cross multiply
    150,135.84x = 207,190.48 × 83,068.96
  4. Step 4: Simplify right side
    150,135.84x = 17,211,097,695.50
  5. Step 5: Solve for x
    x = 17,211,097,695.50/150,135.84
  6. Step 6: Final answer
    x = 114,636.84

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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.