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Finding the Fourth Proportional to 108,534.30, 162,801.45 and 98,684.70

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Solution

The fourth proportional to 108,534.30, 162,801.45 and 98,684.70 is: 148,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,534.30 : 162,801.45 = 98,684.70 : x
  2. Step 2: Convert to fraction form
    108,534.30/162,801.45 = 98,684.70/x
  3. Step 3: Cross multiply
    108,534.30x = 162,801.45 × 98,684.70
  4. Step 4: Simplify right side
    108,534.30x = 16,066,012,252.82
  5. Step 5: Solve for x
    x = 16,066,012,252.82/108,534.30
  6. Step 6: Final answer
    x = 148,027.05

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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.