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Finding the Fourth Proportional to 255,665.69, 383,498.52 and 97,894.13

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Solution

The fourth proportional to 255,665.69, 383,498.52 and 97,894.13 is: 146,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,665.69 : 383,498.52 = 97,894.13 : x
  2. Step 2: Convert to fraction form
    255,665.69/383,498.52 = 97,894.13/x
  3. Step 3: Cross multiply
    255,665.69x = 383,498.52 × 97,894.13
  4. Step 4: Simplify right side
    255,665.69x = 37,542,253,971.69
  5. Step 5: Solve for x
    x = 37,542,253,971.69/255,665.69
  6. Step 6: Final answer
    x = 146,841.19

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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.