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Finding the Fourth Proportional to 255,544.90, 352,654.29 and 140,827.66

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Solution

The fourth proportional to 255,544.90, 352,654.29 and 140,827.66 is: 194,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,544.90 : 352,654.29 = 140,827.66 : x
  2. Step 2: Convert to fraction form
    255,544.90/352,654.29 = 140,827.66/x
  3. Step 3: Cross multiply
    255,544.90x = 352,654.29 × 140,827.66
  4. Step 4: Simplify right side
    255,544.90x = 49,663,477,039.92
  5. Step 5: Solve for x
    x = 49,663,477,039.92/255,544.90
  6. Step 6: Final answer
    x = 194,343.45

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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.