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Finding the Fourth Proportional to 98,618.58, 147,913.29 and 36,274.50

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Solution

The fourth proportional to 98,618.58, 147,913.29 and 36,274.50 is: 54,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,618.58 : 147,913.29 = 36,274.50 : x
  2. Step 2: Convert to fraction form
    98,618.58/147,913.29 = 36,274.50/x
  3. Step 3: Cross multiply
    98,618.58x = 147,913.29 × 36,274.50
  4. Step 4: Simplify right side
    98,618.58x = 5,365,480,638.11
  5. Step 5: Solve for x
    x = 5,365,480,638.11/98,618.58
  6. Step 6: Final answer
    x = 54,406.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.