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Finding the Fourth Proportional to 141,377.60, 212,101.26 and 70,333.96

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Solution

The fourth proportional to 141,377.60, 212,101.26 and 70,333.96 is: 105,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,377.60 : 212,101.26 = 70,333.96 : x
  2. Step 2: Convert to fraction form
    141,377.60/212,101.26 = 70,333.96/x
  3. Step 3: Cross multiply
    141,377.60x = 212,101.26 × 70,333.96
  4. Step 4: Simplify right side
    141,377.60x = 14,917,921,536.79
  5. Step 5: Solve for x
    x = 14,917,921,536.79/141,377.60
  6. Step 6: Final answer
    x = 105,518.28

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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.