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Finding the Fourth Proportional to 197,856.51, 296,826.29 and 64,726.34

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Solution

The fourth proportional to 197,856.51, 296,826.29 and 64,726.34 is: 97,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,856.51 : 296,826.29 = 64,726.34 : x
  2. Step 2: Convert to fraction form
    197,856.51/296,826.29 = 64,726.34/x
  3. Step 3: Cross multiply
    197,856.51x = 296,826.29 × 64,726.34
  4. Step 4: Simplify right side
    197,856.51x = 19,212,477,559.72
  5. Step 5: Solve for x
    x = 19,212,477,559.72/197,856.51
  6. Step 6: Final answer
    x = 97,103.09

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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.