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Finding the Fourth Proportional to 170,851.70, 256,277.55 and 162,298.10

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Solution

The fourth proportional to 170,851.70, 256,277.55 and 162,298.10 is: 243,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,851.70 : 256,277.55 = 162,298.10 : x
  2. Step 2: Convert to fraction form
    170,851.70/256,277.55 = 162,298.10/x
  3. Step 3: Cross multiply
    170,851.70x = 256,277.55 × 162,298.10
  4. Step 4: Simplify right side
    170,851.70x = 41,593,359,437.66
  5. Step 5: Solve for x
    x = 41,593,359,437.66/170,851.70
  6. Step 6: Final answer
    x = 243,447.15

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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.