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Finding the Fourth Proportional to 170,411.08, 255,631.02 and 45,758.92

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Solution

The fourth proportional to 170,411.08, 255,631.02 and 45,758.92 is: 68,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,411.08 : 255,631.02 = 45,758.92 : x
  2. Step 2: Convert to fraction form
    170,411.08/255,631.02 = 45,758.92/x
  3. Step 3: Cross multiply
    170,411.08x = 255,631.02 × 45,758.92
  4. Step 4: Simplify right side
    170,411.08x = 11,697,399,393.70
  5. Step 5: Solve for x
    x = 11,697,399,393.70/170,411.08
  6. Step 6: Final answer
    x = 68,642.25

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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.