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Finding the Fourth Proportional to 270,544.58, 405,812.76 and 93,053.14

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Solution

The fourth proportional to 270,544.58, 405,812.76 and 93,053.14 is: 139,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,544.58 : 405,812.76 = 93,053.14 : x
  2. Step 2: Convert to fraction form
    270,544.58/405,812.76 = 93,053.14/x
  3. Step 3: Cross multiply
    270,544.58x = 405,812.76 × 93,053.14
  4. Step 4: Simplify right side
    270,544.58x = 37,762,151,570.07
  5. Step 5: Solve for x
    x = 37,762,151,570.07/270,544.58
  6. Step 6: Final answer
    x = 139,578.30

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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.