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Finding the Fourth Proportional to 255,673.97, 383,566.31 and 97,902.42

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Solution

The fourth proportional to 255,673.97, 383,566.31 and 97,902.42 is: 146,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,673.97 : 383,566.31 = 97,902.42 : x
  2. Step 2: Convert to fraction form
    255,673.97/383,566.31 = 97,902.42/x
  3. Step 3: Cross multiply
    255,673.97x = 383,566.31 × 97,902.42
  4. Step 4: Simplify right side
    255,673.97x = 37,552,070,851.63
  5. Step 5: Solve for x
    x = 37,552,070,851.63/255,673.97
  6. Step 6: Final answer
    x = 146,874.83

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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.