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Finding the Fourth Proportional to 255,422.58, 352,483.26 and 148,054.91

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Solution

The fourth proportional to 255,422.58, 352,483.26 and 148,054.91 is: 204,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,422.58 : 352,483.26 = 148,054.91 : x
  2. Step 2: Convert to fraction form
    255,422.58/352,483.26 = 148,054.91/x
  3. Step 3: Cross multiply
    255,422.58x = 352,483.26 × 148,054.91
  4. Step 4: Simplify right side
    255,422.58x = 52,186,875,850.99
  5. Step 5: Solve for x
    x = 52,186,875,850.99/255,422.58
  6. Step 6: Final answer
    x = 204,315.83

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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.