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Finding the Fourth Proportional to 255,071.60, 352,029.13 and 146,214.89

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Solution

The fourth proportional to 255,071.60, 352,029.13 and 146,214.89 is: 201,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,071.60 : 352,029.13 = 146,214.89 : x
  2. Step 2: Convert to fraction form
    255,071.60/352,029.13 = 146,214.89/x
  3. Step 3: Cross multiply
    255,071.60x = 352,029.13 × 146,214.89
  4. Step 4: Simplify right side
    255,071.60x = 51,471,900,519.75
  5. Step 5: Solve for x
    x = 51,471,900,519.75/255,071.60
  6. Step 6: Final answer
    x = 201,793.93

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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.