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Finding the Fourth Proportional to 356,674.47, 535,007.25 and 86,804.16

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Solution

The fourth proportional to 356,674.47, 535,007.25 and 86,804.16 is: 130,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,674.47 : 535,007.25 = 86,804.16 : x
  2. Step 2: Convert to fraction form
    356,674.47/535,007.25 = 86,804.16/x
  3. Step 3: Cross multiply
    356,674.47x = 535,007.25 × 86,804.16
  4. Step 4: Simplify right side
    356,674.47x = 46,440,854,930.16
  5. Step 5: Solve for x
    x = 46,440,854,930.16/356,674.47
  6. Step 6: Final answer
    x = 130,205.16

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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.