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Finding the Fourth Proportional to 173,856.66, 239,686.63 and 148,633.98

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Solution

The fourth proportional to 173,856.66, 239,686.63 and 148,633.98 is: 204,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,856.66 : 239,686.63 = 148,633.98 : x
  2. Step 2: Convert to fraction form
    173,856.66/239,686.63 = 148,633.98/x
  3. Step 3: Cross multiply
    173,856.66x = 239,686.63 × 148,633.98
  4. Step 4: Simplify right side
    173,856.66x = 35,625,577,398.10
  5. Step 5: Solve for x
    x = 35,625,577,398.10/173,856.66
  6. Step 6: Final answer
    x = 204,913.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.