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Finding the Fourth Proportional to 368,376.39, 552,564.61 and 102,136.91

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Solution

The fourth proportional to 368,376.39, 552,564.61 and 102,136.91 is: 153,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,376.39 : 552,564.61 = 102,136.91 : x
  2. Step 2: Convert to fraction form
    368,376.39/552,564.61 = 102,136.91/x
  3. Step 3: Cross multiply
    368,376.39x = 552,564.61 × 102,136.91
  4. Step 4: Simplify right side
    368,376.39x = 56,437,242,966.82
  5. Step 5: Solve for x
    x = 56,437,242,966.82/368,376.39
  6. Step 6: Final answer
    x = 153,205.37

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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.