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Finding the Fourth Proportional to 109,590.60, 164,264.40 and 43,008.60

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Solution

The fourth proportional to 109,590.60, 164,264.40 and 43,008.60 is: 64,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,590.60 : 164,264.40 = 43,008.60 : x
  2. Step 2: Convert to fraction form
    109,590.60/164,264.40 = 43,008.60/x
  3. Step 3: Cross multiply
    109,590.60x = 164,264.40 × 43,008.60
  4. Step 4: Simplify right side
    109,590.60x = 7,064,781,873.84
  5. Step 5: Solve for x
    x = 7,064,781,873.84/109,590.60
  6. Step 6: Final answer
    x = 64,465.22

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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.