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Finding the Fourth Proportional to 565,532.14, 848,290.80 and 139,071.65

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Solution

The fourth proportional to 565,532.14, 848,290.80 and 139,071.65 is: 208,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,532.14 : 848,290.80 = 139,071.65 : x
  2. Step 2: Convert to fraction form
    565,532.14/848,290.80 = 139,071.65/x
  3. Step 3: Cross multiply
    565,532.14x = 848,290.80 × 139,071.65
  4. Step 4: Simplify right side
    565,532.14x = 117,973,201,235.82
  5. Step 5: Solve for x
    x = 117,973,201,235.82/565,532.14
  6. Step 6: Final answer
    x = 208,605.65

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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.