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Finding the Fourth Proportional to 662,125.68, 993,197.68 and 188,810.98

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Solution

The fourth proportional to 662,125.68, 993,197.68 and 188,810.98 is: 283,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,125.68 : 993,197.68 = 188,810.98 : x
  2. Step 2: Convert to fraction form
    662,125.68/993,197.68 = 188,810.98/x
  3. Step 3: Cross multiply
    662,125.68x = 993,197.68 × 188,810.98
  4. Step 4: Simplify right side
    662,125.68x = 187,526,624,339.51
  5. Step 5: Solve for x
    x = 187,526,624,339.51/662,125.68
  6. Step 6: Final answer
    x = 283,219.08

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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.