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Finding the Fourth Proportional to 92,162.76, 138,254.01 and 25,603.08

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Solution

The fourth proportional to 92,162.76, 138,254.01 and 25,603.08 is: 38,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,162.76 : 138,254.01 = 25,603.08 : x
  2. Step 2: Convert to fraction form
    92,162.76/138,254.01 = 25,603.08/x
  3. Step 3: Cross multiply
    92,162.76x = 138,254.01 × 25,603.08
  4. Step 4: Simplify right side
    92,162.76x = 3,539,728,478.35
  5. Step 5: Solve for x
    x = 3,539,728,478.35/92,162.76
  6. Step 6: Final answer
    x = 38,407.36

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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.