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Finding the Fourth Proportional to 559,888.59, 839,833.53 and 139,164.47

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Solution

The fourth proportional to 559,888.59, 839,833.53 and 139,164.47 is: 208,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,888.59 : 839,833.53 = 139,164.47 : x
  2. Step 2: Convert to fraction form
    559,888.59/839,833.53 = 139,164.47/x
  3. Step 3: Cross multiply
    559,888.59x = 839,833.53 × 139,164.47
  4. Step 4: Simplify right side
    559,888.59x = 116,874,983,891.51
  5. Step 5: Solve for x
    x = 116,874,983,891.51/559,888.59
  6. Step 6: Final answer
    x = 208,746.86

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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.