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Finding the Fourth Proportional to 565,533.14, 848,292.30 and 139,072.65

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Solution

The fourth proportional to 565,533.14, 848,292.30 and 139,072.65 is: 208,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,533.14 : 848,292.30 = 139,072.65 : x
  2. Step 2: Convert to fraction form
    565,533.14/848,292.30 = 139,072.65/x
  3. Step 3: Cross multiply
    565,533.14x = 848,292.30 × 139,072.65
  4. Step 4: Simplify right side
    565,533.14x = 117,974,258,135.60
  5. Step 5: Solve for x
    x = 117,974,258,135.60/565,533.14
  6. Step 6: Final answer
    x = 208,607.15

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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.