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Finding the Fourth Proportional to 92,660.72, 127,878.30 and 52,374.77

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Solution

The fourth proportional to 92,660.72, 127,878.30 and 52,374.77 is: 72,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,660.72 : 127,878.30 = 52,374.77 : x
  2. Step 2: Convert to fraction form
    92,660.72/127,878.30 = 52,374.77/x
  3. Step 3: Cross multiply
    92,660.72x = 127,878.30 × 52,374.77
  4. Step 4: Simplify right side
    92,660.72x = 6,697,596,194.24
  5. Step 5: Solve for x
    x = 6,697,596,194.24/92,660.72
  6. Step 6: Final answer
    x = 72,280.86

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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.