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Finding the Fourth Proportional to 140,886.18, 211,330.11 and 35,705.46

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Solution

The fourth proportional to 140,886.18, 211,330.11 and 35,705.46 is: 53,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,886.18 : 211,330.11 = 35,705.46 : x
  2. Step 2: Convert to fraction form
    140,886.18/211,330.11 = 35,705.46/x
  3. Step 3: Cross multiply
    140,886.18x = 211,330.11 × 35,705.46
  4. Step 4: Simplify right side
    140,886.18x = 7,545,638,789.40
  5. Step 5: Solve for x
    x = 7,545,638,789.40/140,886.18
  6. Step 6: Final answer
    x = 53,558.40

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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.