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Finding the Fourth Proportional to 565,899.80, 848,842.19 and 139,440.73

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Solution

The fourth proportional to 565,899.80, 848,842.19 and 139,440.73 is: 209,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,899.80 : 848,842.19 = 139,440.73 : x
  2. Step 2: Convert to fraction form
    565,899.80/848,842.19 = 139,440.73/x
  3. Step 3: Cross multiply
    565,899.80x = 848,842.19 × 139,440.73
  4. Step 4: Simplify right side
    565,899.80x = 118,363,169,686.98
  5. Step 5: Solve for x
    x = 118,363,169,686.98/565,899.80
  6. Step 6: Final answer
    x = 209,159.24

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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.