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Finding the Fourth Proportional to 92,160.36, 138,262.52 and 29,830.88

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Solution

The fourth proportional to 92,160.36, 138,262.52 and 29,830.88 is: 44,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,160.36 : 138,262.52 = 29,830.88 : x
  2. Step 2: Convert to fraction form
    92,160.36/138,262.52 = 29,830.88/x
  3. Step 3: Cross multiply
    92,160.36x = 138,262.52 × 29,830.88
  4. Step 4: Simplify right side
    92,160.36x = 4,124,492,642.62
  5. Step 5: Solve for x
    x = 4,124,492,642.62/92,160.36
  6. Step 6: Final answer
    x = 44,753.43

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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.