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Finding the Fourth Proportional to 243,481.40, 364,973.70 and 164,603.60

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Solution

The fourth proportional to 243,481.40, 364,973.70 and 164,603.60 is: 246,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,481.40 : 364,973.70 = 164,603.60 : x
  2. Step 2: Convert to fraction form
    243,481.40/364,973.70 = 164,603.60/x
  3. Step 3: Cross multiply
    243,481.40x = 364,973.70 × 164,603.60
  4. Step 4: Simplify right side
    243,481.40x = 60,075,984,925.32
  5. Step 5: Solve for x
    x = 60,075,984,925.32/243,481.40
  6. Step 6: Final answer
    x = 246,737.47

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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.