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Finding the Fourth Proportional to 70,858.80, 96,446.70 and 70,858.80

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Solution

The fourth proportional to 70,858.80, 96,446.70 and 70,858.80 is: 96,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858.80 : 96,446.70 = 70,858.80 : x
  2. Step 2: Convert to fraction form
    70,858.80/96,446.70 = 70,858.80/x
  3. Step 3: Cross multiply
    70,858.80x = 96,446.70 × 70,858.80
  4. Step 4: Simplify right side
    70,858.80x = 6,834,097,425.96
  5. Step 5: Solve for x
    x = 6,834,097,425.96/70,858.80
  6. Step 6: Final answer
    x = 96,446.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.