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Finding the Fourth Proportional to 169,486.40, 233,890.58 and 93,006.78

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Solution

The fourth proportional to 169,486.40, 233,890.58 and 93,006.78 is: 128,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.40 : 233,890.58 = 93,006.78 : x
  2. Step 2: Convert to fraction form
    169,486.40/233,890.58 = 93,006.78/x
  3. Step 3: Cross multiply
    169,486.40x = 233,890.58 × 93,006.78
  4. Step 4: Simplify right side
    169,486.40x = 21,753,409,253.10
  5. Step 5: Solve for x
    x = 21,753,409,253.10/169,486.40
  6. Step 6: Final answer
    x = 128,349.00

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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.