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Finding the Fourth Proportional to 352,775.31, 529,197.95 and 112,828.92

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Solution

The fourth proportional to 352,775.31, 529,197.95 and 112,828.92 is: 169,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,775.31 : 529,197.95 = 112,828.92 : x
  2. Step 2: Convert to fraction form
    352,775.31/529,197.95 = 112,828.92/x
  3. Step 3: Cross multiply
    352,775.31x = 529,197.95 × 112,828.92
  4. Step 4: Simplify right side
    352,775.31x = 59,708,833,164.71
  5. Step 5: Solve for x
    x = 59,708,833,164.71/352,775.31
  6. Step 6: Final answer
    x = 169,254.57

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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.