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Finding the Fourth Proportional to 236,354.97, 354,532.28 and 70,142.97

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Solution

The fourth proportional to 236,354.97, 354,532.28 and 70,142.97 is: 105,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,354.97 : 354,532.28 = 70,142.97 : x
  2. Step 2: Convert to fraction form
    236,354.97/354,532.28 = 70,142.97/x
  3. Step 3: Cross multiply
    236,354.97x = 354,532.28 × 70,142.97
  4. Step 4: Simplify right side
    236,354.97x = 24,867,946,729.36
  5. Step 5: Solve for x
    x = 24,867,946,729.36/236,354.97
  6. Step 6: Final answer
    x = 105,214.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.