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Finding the Fourth Proportional to 114,783.76, 158,400.30 and 67,044.16

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Solution

The fourth proportional to 114,783.76, 158,400.30 and 67,044.16 is: 92,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,783.76 : 158,400.30 = 67,044.16 : x
  2. Step 2: Convert to fraction form
    114,783.76/158,400.30 = 67,044.16/x
  3. Step 3: Cross multiply
    114,783.76x = 158,400.30 × 67,044.16
  4. Step 4: Simplify right side
    114,783.76x = 10,619,815,057.25
  5. Step 5: Solve for x
    x = 10,619,815,057.25/114,783.76
  6. Step 6: Final answer
    x = 92,520.19

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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.