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Finding the Fourth Proportional to 175,490.70, 262,468.05 and 156,905.10

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Solution

The fourth proportional to 175,490.70, 262,468.05 and 156,905.10 is: 234,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,490.70 : 262,468.05 = 156,905.10 : x
  2. Step 2: Convert to fraction form
    175,490.70/262,468.05 = 156,905.10/x
  3. Step 3: Cross multiply
    175,490.70x = 262,468.05 × 156,905.10
  4. Step 4: Simplify right side
    175,490.70x = 41,182,575,632.06
  5. Step 5: Solve for x
    x = 41,182,575,632.06/175,490.70
  6. Step 6: Final answer
    x = 234,670.99

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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.