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Finding the Fourth Proportional to 108,804.78, 163,172.61 and 34,915.50

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Solution

The fourth proportional to 108,804.78, 163,172.61 and 34,915.50 is: 52,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804.78 : 163,172.61 = 34,915.50 : x
  2. Step 2: Convert to fraction form
    108,804.78/163,172.61 = 34,915.50/x
  3. Step 3: Cross multiply
    108,804.78x = 163,172.61 × 34,915.50
  4. Step 4: Simplify right side
    108,804.78x = 5,697,253,264.46
  5. Step 5: Solve for x
    x = 5,697,253,264.46/108,804.78
  6. Step 6: Final answer
    x = 52,362.16

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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.