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Finding the Fourth Proportional to 108,554.90, 162,832.35 and 97,841.30

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Solution

The fourth proportional to 108,554.90, 162,832.35 and 97,841.30 is: 146,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,554.90 : 162,832.35 = 97,841.30 : x
  2. Step 2: Convert to fraction form
    108,554.90/162,832.35 = 97,841.30/x
  3. Step 3: Cross multiply
    108,554.90x = 162,832.35 × 97,841.30
  4. Step 4: Simplify right side
    108,554.90x = 15,931,728,806.06
  5. Step 5: Solve for x
    x = 15,931,728,806.06/108,554.90
  6. Step 6: Final answer
    x = 146,761.95

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1.5x scale

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.