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Finding the Fourth Proportional to 248,172.02, 371,318.64 and 147,024.38

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Solution

The fourth proportional to 248,172.02, 371,318.64 and 147,024.38 is: 219,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,172.02 : 371,318.64 = 147,024.38 : x
  2. Step 2: Convert to fraction form
    248,172.02/371,318.64 = 147,024.38/x
  3. Step 3: Cross multiply
    248,172.02x = 371,318.64 × 147,024.38
  4. Step 4: Simplify right side
    248,172.02x = 54,592,892,828.44
  5. Step 5: Solve for x
    x = 54,592,892,828.44/248,172.02
  6. Step 6: Final answer
    x = 219,980.05

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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.