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Finding the Fourth Proportional to 195,699.72, 270,065.58 and 110,816.76

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Solution

The fourth proportional to 195,699.72, 270,065.58 and 110,816.76 is: 152,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,699.72 : 270,065.58 = 110,816.76 : x
  2. Step 2: Convert to fraction form
    195,699.72/270,065.58 = 110,816.76/x
  3. Step 3: Cross multiply
    195,699.72x = 270,065.58 × 110,816.76
  4. Step 4: Simplify right side
    195,699.72x = 29,927,792,563.12
  5. Step 5: Solve for x
    x = 29,927,792,563.12/195,699.72
  6. Step 6: Final answer
    x = 152,927.11

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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.