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Finding the Fourth Proportional to 108,116.54, 162,174.81 and 55,492.46

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Solution

The fourth proportional to 108,116.54, 162,174.81 and 55,492.46 is: 83,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,116.54 : 162,174.81 = 55,492.46 : x
  2. Step 2: Convert to fraction form
    108,116.54/162,174.81 = 55,492.46/x
  3. Step 3: Cross multiply
    108,116.54x = 162,174.81 × 55,492.46
  4. Step 4: Simplify right side
    108,116.54x = 8,999,478,346.06
  5. Step 5: Solve for x
    x = 8,999,478,346.06/108,116.54
  6. Step 6: Final answer
    x = 83,238.69

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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.