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Finding the Fourth Proportional to 168,731, 232,853.64 and 93,284.36

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Solution

The fourth proportional to 168,731, 232,853.64 and 93,284.36 is: 128,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,731 : 232,853.64 = 93,284.36 : x
  2. Step 2: Convert to fraction form
    168,731/232,853.64 = 93,284.36/x
  3. Step 3: Cross multiply
    168,731x = 232,853.64 × 93,284.36
  4. Step 4: Simplify right side
    168,731x = 21,721,602,781.07
  5. Step 5: Solve for x
    x = 21,721,602,781.07/168,731
  6. Step 6: Final answer
    x = 128,735.10

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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.