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Finding the Fourth Proportional to 194,850, 292,283.51 and 61,740.07

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Solution

The fourth proportional to 194,850, 292,283.51 and 61,740.07 is: 92,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,850 : 292,283.51 = 61,740.07 : x
  2. Step 2: Convert to fraction form
    194,850/292,283.51 = 61,740.07/x
  3. Step 3: Cross multiply
    194,850x = 292,283.51 × 61,740.07
  4. Step 4: Simplify right side
    194,850x = 18,045,603,327.84
  5. Step 5: Solve for x
    x = 18,045,603,327.84/194,850
  6. Step 6: Final answer
    x = 92,612.80

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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.