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Finding the Fourth Proportional to 269,762.70, 372,272.52 and 148,904.01

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Solution

The fourth proportional to 269,762.70, 372,272.52 and 148,904.01 is: 205,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,762.70 : 372,272.52 = 148,904.01 : x
  2. Step 2: Convert to fraction form
    269,762.70/372,272.52 = 148,904.01/x
  3. Step 3: Cross multiply
    269,762.70x = 372,272.52 × 148,904.01
  4. Step 4: Simplify right side
    269,762.70x = 55,432,871,040.81
  5. Step 5: Solve for x
    x = 55,432,871,040.81/269,762.70
  6. Step 6: Final answer
    x = 205,487.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.