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Finding the Fourth Proportional to 248,966.90, 373,450.35 and 61,978.40

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Solution

The fourth proportional to 248,966.90, 373,450.35 and 61,978.40 is: 92,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,966.90 : 373,450.35 = 61,978.40 : x
  2. Step 2: Convert to fraction form
    248,966.90/373,450.35 = 61,978.40/x
  3. Step 3: Cross multiply
    248,966.90x = 373,450.35 × 61,978.40
  4. Step 4: Simplify right side
    248,966.90x = 23,145,855,172.44
  5. Step 5: Solve for x
    x = 23,145,855,172.44/248,966.90
  6. Step 6: Final answer
    x = 92,967.60

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1.5x scale

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.