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Finding the Fourth Proportional to 109,652.54, 151,320.95 and 59,351.54

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Solution

The fourth proportional to 109,652.54, 151,320.95 and 59,351.54 is: 81,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,652.54 : 151,320.95 = 59,351.54 : x
  2. Step 2: Convert to fraction form
    109,652.54/151,320.95 = 59,351.54/x
  3. Step 3: Cross multiply
    109,652.54x = 151,320.95 × 59,351.54
  4. Step 4: Simplify right side
    109,652.54x = 8,981,130,363.40
  5. Step 5: Solve for x
    x = 8,981,130,363.40/109,652.54
  6. Step 6: Final answer
    x = 81,905.36

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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.