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Finding the Fourth Proportional to 168,894.86, 233,073.16 and 93,443.90

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Solution

The fourth proportional to 168,894.86, 233,073.16 and 93,443.90 is: 128,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,894.86 : 233,073.16 = 93,443.90 : x
  2. Step 2: Convert to fraction form
    168,894.86/233,073.16 = 93,443.90/x
  3. Step 3: Cross multiply
    168,894.86x = 233,073.16 × 93,443.90
  4. Step 4: Simplify right side
    168,894.86x = 21,779,265,055.72
  5. Step 5: Solve for x
    x = 21,779,265,055.72/168,894.86
  6. Step 6: Final answer
    x = 128,951.62

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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.