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Finding the Fourth Proportional to 559,920.52, 839,873.49 and 139,200.04

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Solution

The fourth proportional to 559,920.52, 839,873.49 and 139,200.04 is: 208,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,920.52 : 839,873.49 = 139,200.04 : x
  2. Step 2: Convert to fraction form
    559,920.52/839,873.49 = 139,200.04/x
  3. Step 3: Cross multiply
    559,920.52x = 839,873.49 × 139,200.04
  4. Step 4: Simplify right side
    559,920.52x = 116,910,423,402.94
  5. Step 5: Solve for x
    x = 116,910,423,402.94/559,920.52
  6. Step 6: Final answer
    x = 208,798.25

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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.