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Finding the Fourth Proportional to 52,401.40, 78,602.10 and 49,329.40

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Solution

The fourth proportional to 52,401.40, 78,602.10 and 49,329.40 is: 73,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.40 : 78,602.10 = 49,329.40 : x
  2. Step 2: Convert to fraction form
    52,401.40/78,602.10 = 49,329.40/x
  3. Step 3: Cross multiply
    52,401.40x = 78,602.10 × 49,329.40
  4. Step 4: Simplify right side
    52,401.40x = 3,877,394,431.74
  5. Step 5: Solve for x
    x = 3,877,394,431.74/52,401.40
  6. Step 6: Final answer
    x = 73,994.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.