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Finding the Fourth Proportional to 266,907.69, 368,332.61 and 146,048.96

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Solution

The fourth proportional to 266,907.69, 368,332.61 and 146,048.96 is: 201,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,907.69 : 368,332.61 = 146,048.96 : x
  2. Step 2: Convert to fraction form
    266,907.69/368,332.61 = 146,048.96/x
  3. Step 3: Cross multiply
    266,907.69x = 368,332.61 × 146,048.96
  4. Step 4: Simplify right side
    266,907.69x = 53,794,594,815.17
  5. Step 5: Solve for x
    x = 53,794,594,815.17/266,907.69
  6. Step 6: Final answer
    x = 201,547.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.