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Finding the Fourth Proportional to 255,722.76, 352,752.90 and 160,063.38

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Solution

The fourth proportional to 255,722.76, 352,752.90 and 160,063.38 is: 220,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,722.76 : 352,752.90 = 160,063.38 : x
  2. Step 2: Convert to fraction form
    255,722.76/352,752.90 = 160,063.38/x
  3. Step 3: Cross multiply
    255,722.76x = 352,752.90 × 160,063.38
  4. Step 4: Simplify right side
    255,722.76x = 56,462,821,478.80
  5. Step 5: Solve for x
    x = 56,462,821,478.80/255,722.76
  6. Step 6: Final answer
    x = 220,797.01

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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.