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Finding the Fourth Proportional to 140,211, 210,316.95 and 35,029.98

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Solution

The fourth proportional to 140,211, 210,316.95 and 35,029.98 is: 52,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,211 : 210,316.95 = 35,029.98 : x
  2. Step 2: Convert to fraction form
    140,211/210,316.95 = 35,029.98/x
  3. Step 3: Cross multiply
    140,211x = 210,316.95 × 35,029.98
  4. Step 4: Simplify right side
    140,211x = 7,367,398,552.16
  5. Step 5: Solve for x
    x = 7,367,398,552.16/140,211
  6. Step 6: Final answer
    x = 52,545.08

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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.