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Finding the Fourth Proportional to 230,896.40, 346,393.20 and 97,708.10

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Solution

The fourth proportional to 230,896.40, 346,393.20 and 97,708.10 is: 146,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,896.40 : 346,393.20 = 97,708.10 : x
  2. Step 2: Convert to fraction form
    230,896.40/346,393.20 = 97,708.10/x
  3. Step 3: Cross multiply
    230,896.40x = 346,393.20 × 97,708.10
  4. Step 4: Simplify right side
    230,896.40x = 33,845,421,424.92
  5. Step 5: Solve for x
    x = 33,845,421,424.92/230,896.40
  6. Step 6: Final answer
    x = 146,582.72

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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.