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Finding the Fourth Proportional to 175,064.70, 262,597.05 and 172,148.70

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Solution

The fourth proportional to 175,064.70, 262,597.05 and 172,148.70 is: 258,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,064.70 : 262,597.05 = 172,148.70 : x
  2. Step 2: Convert to fraction form
    175,064.70/262,597.05 = 172,148.70/x
  3. Step 3: Cross multiply
    175,064.70x = 262,597.05 × 172,148.70
  4. Step 4: Simplify right side
    175,064.70x = 45,205,740,781.34
  5. Step 5: Solve for x
    x = 45,205,740,781.34/175,064.70
  6. Step 6: Final answer
    x = 258,223.05

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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.