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Finding the Fourth Proportional to 117,156.62, 175,698.62 and 42,267.04

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Solution

The fourth proportional to 117,156.62, 175,698.62 and 42,267.04 is: 63,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,156.62 : 175,698.62 = 42,267.04 : x
  2. Step 2: Convert to fraction form
    117,156.62/175,698.62 = 42,267.04/x
  3. Step 3: Cross multiply
    117,156.62x = 175,698.62 × 42,267.04
  4. Step 4: Simplify right side
    117,156.62x = 7,426,260,599.48
  5. Step 5: Solve for x
    x = 7,426,260,599.48/117,156.62
  6. Step 6: Final answer
    x = 63,387.46

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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.