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Finding the Fourth Proportional to 192,646.31, 265,905.33 and 112,089.39

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Solution

The fourth proportional to 192,646.31, 265,905.33 and 112,089.39 is: 154,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,646.31 : 265,905.33 = 112,089.39 : x
  2. Step 2: Convert to fraction form
    192,646.31/265,905.33 = 112,089.39/x
  3. Step 3: Cross multiply
    192,646.31x = 265,905.33 × 112,089.39
  4. Step 4: Simplify right side
    192,646.31x = 29,805,166,237.45
  5. Step 5: Solve for x
    x = 29,805,166,237.45/192,646.31
  6. Step 6: Final answer
    x = 154,714.45

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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.