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Finding the Fourth Proportional to 248,851.60, 373,277.40 and 147,812.20

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Solution

The fourth proportional to 248,851.60, 373,277.40 and 147,812.20 is: 221,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,851.60 : 373,277.40 = 147,812.20 : x
  2. Step 2: Convert to fraction form
    248,851.60/373,277.40 = 147,812.20/x
  3. Step 3: Cross multiply
    248,851.60x = 373,277.40 × 147,812.20
  4. Step 4: Simplify right side
    248,851.60x = 55,174,953,704.28
  5. Step 5: Solve for x
    x = 55,174,953,704.28/248,851.60
  6. Step 6: Final answer
    x = 221,718.30

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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.