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Finding the Fourth Proportional to 248,650.30, 373,300.67 and 147,632.77

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Solution

The fourth proportional to 248,650.30, 373,300.67 and 147,632.77 is: 221,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,650.30 : 373,300.67 = 147,632.77 : x
  2. Step 2: Convert to fraction form
    248,650.30/373,300.67 = 147,632.77/x
  3. Step 3: Cross multiply
    248,650.30x = 373,300.67 × 147,632.77
  4. Step 4: Simplify right side
    248,650.30x = 55,111,411,954.96
  5. Step 5: Solve for x
    x = 55,111,411,954.96/248,650.30
  6. Step 6: Final answer
    x = 221,642.25

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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.