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Finding the Fourth Proportional to 342,787.98, 513,867.06 and 118,095

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Solution

The fourth proportional to 342,787.98, 513,867.06 and 118,095 is: 177,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,787.98 : 513,867.06 = 118,095 : x
  2. Step 2: Convert to fraction form
    342,787.98/513,867.06 = 118,095/x
  3. Step 3: Cross multiply
    342,787.98x = 513,867.06 × 118,095
  4. Step 4: Simplify right side
    342,787.98x = 60,685,130,450.70
  5. Step 5: Solve for x
    x = 60,685,130,450.70/342,787.98
  6. Step 6: Final answer
    x = 177,034.01

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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.