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Finding the Fourth Proportional to 92,852.52, 128,241.99 and 62,585.61

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Solution

The fourth proportional to 92,852.52, 128,241.99 and 62,585.61 is: 86,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,852.52 : 128,241.99 = 62,585.61 : x
  2. Step 2: Convert to fraction form
    92,852.52/128,241.99 = 62,585.61/x
  3. Step 3: Cross multiply
    92,852.52x = 128,241.99 × 62,585.61
  4. Step 4: Simplify right side
    92,852.52x = 8,026,103,171.76
  5. Step 5: Solve for x
    x = 8,026,103,171.76/92,852.52
  6. Step 6: Final answer
    x = 86,439.26

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1.5x scale

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.