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Finding the Fourth Proportional to 168,878.52, 233,041.86 and 93,427.02

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Solution

The fourth proportional to 168,878.52, 233,041.86 and 93,427.02 is: 128,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,878.52 : 233,041.86 = 93,427.02 : x
  2. Step 2: Convert to fraction form
    168,878.52/233,041.86 = 93,427.02/x
  3. Step 3: Cross multiply
    168,878.52x = 233,041.86 × 93,427.02
  4. Step 4: Simplify right side
    168,878.52x = 21,772,406,515.06
  5. Step 5: Solve for x
    x = 21,772,406,515.06/168,878.52
  6. Step 6: Final answer
    x = 128,923.48

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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.