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Finding the Fourth Proportional to 92,483.70, 138,725.55 and 48,196.95

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Solution

The fourth proportional to 92,483.70, 138,725.55 and 48,196.95 is: 72,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,483.70 : 138,725.55 = 48,196.95 : x
  2. Step 2: Convert to fraction form
    92,483.70/138,725.55 = 48,196.95/x
  3. Step 3: Cross multiply
    92,483.70x = 138,725.55 × 48,196.95
  4. Step 4: Simplify right side
    92,483.70x = 6,686,148,397.07
  5. Step 5: Solve for x
    x = 6,686,148,397.07/92,483.70
  6. Step 6: Final answer
    x = 72,295.43

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1.5x scale

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.