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Finding the Fourth Proportional to 175,178.44, 262,964.22 and 70,070.68

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Solution

The fourth proportional to 175,178.44, 262,964.22 and 70,070.68 is: 105,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,178.44 : 262,964.22 = 70,070.68 : x
  2. Step 2: Convert to fraction form
    175,178.44/262,964.22 = 70,070.68/x
  3. Step 3: Cross multiply
    175,178.44x = 262,964.22 × 70,070.68
  4. Step 4: Simplify right side
    175,178.44x = 18,426,081,711.07
  5. Step 5: Solve for x
    x = 18,426,081,711.07/175,178.44
  6. Step 6: Final answer
    x = 105,184.64

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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.