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Finding the Fourth Proportional to 342,680.22, 514,054.76 and 118,011.06

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Solution

The fourth proportional to 342,680.22, 514,054.76 and 118,011.06 is: 177,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,680.22 : 514,054.76 = 118,011.06 : x
  2. Step 2: Convert to fraction form
    342,680.22/514,054.76 = 118,011.06/x
  3. Step 3: Cross multiply
    342,680.22x = 514,054.76 × 118,011.06
  4. Step 4: Simplify right side
    342,680.22x = 60,664,146,535.59
  5. Step 5: Solve for x
    x = 60,664,146,535.59/342,680.22
  6. Step 6: Final answer
    x = 177,028.45

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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.