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Finding the Fourth Proportional to 168,857.96, 233,029.86 and 93,413.48

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Solution

The fourth proportional to 168,857.96, 233,029.86 and 93,413.48 is: 128,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,857.96 : 233,029.86 = 93,413.48 : x
  2. Step 2: Convert to fraction form
    168,857.96/233,029.86 = 93,413.48/x
  3. Step 3: Cross multiply
    168,857.96x = 233,029.86 × 93,413.48
  4. Step 4: Simplify right side
    168,857.96x = 21,768,130,166.51
  5. Step 5: Solve for x
    x = 21,768,130,166.51/168,857.96
  6. Step 6: Final answer
    x = 128,913.85

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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.