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Finding the Fourth Proportional to 117,154.88, 175,696.00 and 42,265.29

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Solution

The fourth proportional to 117,154.88, 175,696.00 and 42,265.29 is: 63,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,154.88 : 175,696.00 = 42,265.29 : x
  2. Step 2: Convert to fraction form
    117,154.88/175,696.00 = 42,265.29/x
  3. Step 3: Cross multiply
    117,154.88x = 175,696.00 × 42,265.29
  4. Step 4: Simplify right side
    117,154.88x = 7,425,842,945.04
  5. Step 5: Solve for x
    x = 7,425,842,945.04/117,154.88
  6. Step 6: Final answer
    x = 63,384.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.