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Finding the Fourth Proportional to 169,490.40, 233,896.10 and 93,010.78

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Solution

The fourth proportional to 169,490.40, 233,896.10 and 93,010.78 is: 128,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,490.40 : 233,896.10 = 93,010.78 : x
  2. Step 2: Convert to fraction form
    169,490.40/233,896.10 = 93,010.78/x
  3. Step 3: Cross multiply
    169,490.40x = 233,896.10 × 93,010.78
  4. Step 4: Simplify right side
    169,490.40x = 21,754,858,699.96
  5. Step 5: Solve for x
    x = 21,754,858,699.96/169,490.40
  6. Step 6: Final answer
    x = 128,354.52

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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.