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Finding the Fourth Proportional to 119,955, 165,552.48 and 69,654

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Solution

The fourth proportional to 119,955, 165,552.48 and 69,654 is: 96,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,955 : 165,552.48 = 69,654 : x
  2. Step 2: Convert to fraction form
    119,955/165,552.48 = 69,654/x
  3. Step 3: Cross multiply
    119,955x = 165,552.48 × 69,654
  4. Step 4: Simplify right side
    119,955x = 11,531,392,441.92
  5. Step 5: Solve for x
    x = 11,531,392,441.92/119,955
  6. Step 6: Final answer
    x = 96,130.99

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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.