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Finding the Fourth Proportional to 243,480.40, 364,972.20 and 164,602.60

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Solution

The fourth proportional to 243,480.40, 364,972.20 and 164,602.60 is: 246,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,480.40 : 364,972.20 = 164,602.60 : x
  2. Step 2: Convert to fraction form
    243,480.40/364,972.20 = 164,602.60/x
  3. Step 3: Cross multiply
    243,480.40x = 364,972.20 × 164,602.60
  4. Step 4: Simplify right side
    243,480.40x = 60,075,373,047.72
  5. Step 5: Solve for x
    x = 60,075,373,047.72/243,480.40
  6. Step 6: Final answer
    x = 246,735.97

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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.