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Finding the Fourth Proportional to 92,495.54, 138,742.50 and 29,315.54

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Solution

The fourth proportional to 92,495.54, 138,742.50 and 29,315.54 is: 43,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.54 : 138,742.50 = 29,315.54 : x
  2. Step 2: Convert to fraction form
    92,495.54/138,742.50 = 29,315.54/x
  3. Step 3: Cross multiply
    92,495.54x = 138,742.50 × 29,315.54
  4. Step 4: Simplify right side
    92,495.54x = 4,067,311,308.45
  5. Step 5: Solve for x
    x = 4,067,311,308.45/92,495.54
  6. Step 6: Final answer
    x = 43,973.05

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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.