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Finding the Fourth Proportional to 109,670.14, 151,345.02 and 59,369.14

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Solution

The fourth proportional to 109,670.14, 151,345.02 and 59,369.14 is: 81,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,670.14 : 151,345.02 = 59,369.14 : x
  2. Step 2: Convert to fraction form
    109,670.14/151,345.02 = 59,369.14/x
  3. Step 3: Cross multiply
    109,670.14x = 151,345.02 × 59,369.14
  4. Step 4: Simplify right side
    109,670.14x = 8,985,223,680.68
  5. Step 5: Solve for x
    x = 8,985,223,680.68/109,670.14
  6. Step 6: Final answer
    x = 81,929.54

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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.