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Finding the Fourth Proportional to 212,241.60, 292,891.77 and 116,746.20

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Solution

The fourth proportional to 212,241.60, 292,891.77 and 116,746.20 is: 161,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,241.60 : 292,891.77 = 116,746.20 : x
  2. Step 2: Convert to fraction form
    212,241.60/292,891.77 = 116,746.20/x
  3. Step 3: Cross multiply
    212,241.60x = 292,891.77 × 116,746.20
  4. Step 4: Simplify right side
    212,241.60x = 34,194,001,158.77
  5. Step 5: Solve for x
    x = 34,194,001,158.77/212,241.60
  6. Step 6: Final answer
    x = 161,108.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.