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Finding the Fourth Proportional to 230,928.70, 346,344.45 and 97,813.30

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Solution

The fourth proportional to 230,928.70, 346,344.45 and 97,813.30 is: 146,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,928.70 : 346,344.45 = 97,813.30 : x
  2. Step 2: Convert to fraction form
    230,928.70/346,344.45 = 97,813.30/x
  3. Step 3: Cross multiply
    230,928.70x = 346,344.45 × 97,813.30
  4. Step 4: Simplify right side
    230,928.70x = 33,877,093,591.19
  5. Step 5: Solve for x
    x = 33,877,093,591.19/230,928.70
  6. Step 6: Final answer
    x = 146,699.36

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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.