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Finding the Fourth Proportional to 350,787.08, 526,211.40 and 98,070.32

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Solution

The fourth proportional to 350,787.08, 526,211.40 and 98,070.32 is: 147,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,787.08 : 526,211.40 = 98,070.32 : x
  2. Step 2: Convert to fraction form
    350,787.08/526,211.40 = 98,070.32/x
  3. Step 3: Cross multiply
    350,787.08x = 526,211.40 × 98,070.32
  4. Step 4: Simplify right side
    350,787.08x = 51,605,720,385.65
  5. Step 5: Solve for x
    x = 51,605,720,385.65/350,787.08
  6. Step 6: Final answer
    x = 147,114.09

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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.