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Finding the Fourth Proportional to 97,611.90, 146,500.95 and 69,600.56

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Solution

The fourth proportional to 97,611.90, 146,500.95 and 69,600.56 is: 104,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,611.90 : 146,500.95 = 69,600.56 : x
  2. Step 2: Convert to fraction form
    97,611.90/146,500.95 = 69,600.56/x
  3. Step 3: Cross multiply
    97,611.90x = 146,500.95 × 69,600.56
  4. Step 4: Simplify right side
    97,611.90x = 10,196,547,428.03
  5. Step 5: Solve for x
    x = 10,196,547,428.03/97,611.90
  6. Step 6: Final answer
    x = 104,460.09

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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.