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Finding the Fourth Proportional to 168,893.10, 233,070.74 and 93,442.14

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Solution

The fourth proportional to 168,893.10, 233,070.74 and 93,442.14 is: 128,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,893.10 : 233,070.74 = 93,442.14 : x
  2. Step 2: Convert to fraction form
    168,893.10/233,070.74 = 93,442.14/x
  3. Step 3: Cross multiply
    168,893.10x = 233,070.74 × 93,442.14
  4. Step 4: Simplify right side
    168,893.10x = 21,778,628,716.98
  5. Step 5: Solve for x
    x = 21,778,628,716.98/168,893.10
  6. Step 6: Final answer
    x = 128,949.19

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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.