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Finding the Fourth Proportional to 168,877.12, 233,041.44 and 93,424

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Solution

The fourth proportional to 168,877.12, 233,041.44 and 93,424 is: 128,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,877.12 : 233,041.44 = 93,424 : x
  2. Step 2: Convert to fraction form
    168,877.12/233,041.44 = 93,424/x
  3. Step 3: Cross multiply
    168,877.12x = 233,041.44 × 93,424
  4. Step 4: Simplify right side
    168,877.12x = 21,771,663,490.56
  5. Step 5: Solve for x
    x = 21,771,663,490.56/168,877.12
  6. Step 6: Final answer
    x = 128,920.15

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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.