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Finding the Fourth Proportional to 354,805.95, 532,293.98 and 118,150.77

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Solution

The fourth proportional to 354,805.95, 532,293.98 and 118,150.77 is: 177,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,805.95 : 532,293.98 = 118,150.77 : x
  2. Step 2: Convert to fraction form
    354,805.95/532,293.98 = 118,150.77/x
  3. Step 3: Cross multiply
    354,805.95x = 532,293.98 × 118,150.77
  4. Step 4: Simplify right side
    354,805.95x = 62,890,943,012.61
  5. Step 5: Solve for x
    x = 62,890,943,012.61/354,805.95
  6. Step 6: Final answer
    x = 177,254.48

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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.