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Finding the Fourth Proportional to 342,852.39, 514,179.27 and 102,956.58

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Solution

The fourth proportional to 342,852.39, 514,179.27 and 102,956.58 is: 154,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,852.39 : 514,179.27 = 102,956.58 : x
  2. Step 2: Convert to fraction form
    342,852.39/514,179.27 = 102,956.58/x
  3. Step 3: Cross multiply
    342,852.39x = 514,179.27 × 102,956.58
  4. Step 4: Simplify right side
    342,852.39x = 52,938,139,146.10
  5. Step 5: Solve for x
    x = 52,938,139,146.10/342,852.39
  6. Step 6: Final answer
    x = 154,405.05

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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.