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Finding the Fourth Proportional to 178,897.98, 246,880.76 and 98,327.39

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Solution

The fourth proportional to 178,897.98, 246,880.76 and 98,327.39 is: 135,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,897.98 : 246,880.76 = 98,327.39 : x
  2. Step 2: Convert to fraction form
    178,897.98/246,880.76 = 98,327.39/x
  3. Step 3: Cross multiply
    178,897.98x = 246,880.76 × 98,327.39
  4. Step 4: Simplify right side
    178,897.98x = 24,275,139,599.07
  5. Step 5: Solve for x
    x = 24,275,139,599.07/178,897.98
  6. Step 6: Final answer
    x = 135,692.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.