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Finding the Fourth Proportional to 170,805.51, 256,230.14 and 65,610.81

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Solution

The fourth proportional to 170,805.51, 256,230.14 and 65,610.81 is: 98,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,805.51 : 256,230.14 = 65,610.81 : x
  2. Step 2: Convert to fraction form
    170,805.51/256,230.14 = 65,610.81/x
  3. Step 3: Cross multiply
    170,805.51x = 256,230.14 × 65,610.81
  4. Step 4: Simplify right side
    170,805.51x = 16,811,466,703.76
  5. Step 5: Solve for x
    x = 16,811,466,703.76/170,805.51
  6. Step 6: Final answer
    x = 98,424.62

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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.