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Finding the Fourth Proportional to 109,230.16, 150,737.97 and 61,484.26

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Solution

The fourth proportional to 109,230.16, 150,737.97 and 61,484.26 is: 84,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,230.16 : 150,737.97 = 61,484.26 : x
  2. Step 2: Convert to fraction form
    109,230.16/150,737.97 = 61,484.26/x
  3. Step 3: Cross multiply
    109,230.16x = 150,737.97 × 61,484.26
  4. Step 4: Simplify right side
    109,230.16x = 9,268,012,539.35
  5. Step 5: Solve for x
    x = 9,268,012,539.35/109,230.16
  6. Step 6: Final answer
    x = 84,848.48

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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.