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Finding the Fourth Proportional to 357,772.95, 536,655.65 and 91,531.35

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Solution

The fourth proportional to 357,772.95, 536,655.65 and 91,531.35 is: 137,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,772.95 : 536,655.65 = 91,531.35 : x
  2. Step 2: Convert to fraction form
    357,772.95/536,655.65 = 91,531.35/x
  3. Step 3: Cross multiply
    357,772.95x = 536,655.65 × 91,531.35
  4. Step 4: Simplify right side
    357,772.95x = 49,120,815,671.97
  5. Step 5: Solve for x
    x = 49,120,815,671.97/357,772.95
  6. Step 6: Final answer
    x = 137,296.06

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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.