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Finding the Fourth Proportional to 84,574.65, 116,708 and 46,326.55

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Solution

The fourth proportional to 84,574.65, 116,708 and 46,326.55 is: 63,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,574.65 : 116,708 = 46,326.55 : x
  2. Step 2: Convert to fraction form
    84,574.65/116,708 = 46,326.55/x
  3. Step 3: Cross multiply
    84,574.65x = 116,708 × 46,326.55
  4. Step 4: Simplify right side
    84,574.65x = 5,406,678,997.40
  5. Step 5: Solve for x
    x = 5,406,678,997.40/84,574.65
  6. Step 6: Final answer
    x = 63,927.89

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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.