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Finding the Fourth Proportional to 108,020.10, 161,702.10 and 96,210.30

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Solution

The fourth proportional to 108,020.10, 161,702.10 and 96,210.30 is: 144,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,020.10 : 161,702.10 = 96,210.30 : x
  2. Step 2: Convert to fraction form
    108,020.10/161,702.10 = 96,210.30/x
  3. Step 3: Cross multiply
    108,020.10x = 161,702.10 × 96,210.30
  4. Step 4: Simplify right side
    108,020.10x = 15,557,407,551.63
  5. Step 5: Solve for x
    x = 15,557,407,551.63/108,020.10
  6. Step 6: Final answer
    x = 144,023.27

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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.