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Finding the Fourth Proportional to 164,087.45, 245,639.10 and 97,493.30

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Solution

The fourth proportional to 164,087.45, 245,639.10 and 97,493.30 is: 145,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,087.45 : 245,639.10 = 97,493.30 : x
  2. Step 2: Convert to fraction form
    164,087.45/245,639.10 = 97,493.30/x
  3. Step 3: Cross multiply
    164,087.45x = 245,639.10 × 97,493.30
  4. Step 4: Simplify right side
    164,087.45x = 23,948,166,468.03
  5. Step 5: Solve for x
    x = 23,948,166,468.03/164,087.45
  6. Step 6: Final answer
    x = 145,947.58

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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.