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Finding the Fourth Proportional to 86,706.36, 119,654.32 and 46,962.36

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Solution

The fourth proportional to 86,706.36, 119,654.32 and 46,962.36 is: 64,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,706.36 : 119,654.32 = 46,962.36 : x
  2. Step 2: Convert to fraction form
    86,706.36/119,654.32 = 46,962.36/x
  3. Step 3: Cross multiply
    86,706.36x = 119,654.32 × 46,962.36
  4. Step 4: Simplify right side
    86,706.36x = 5,619,249,251.40
  5. Step 5: Solve for x
    x = 5,619,249,251.40/86,706.36
  6. Step 6: Final answer
    x = 64,807.81

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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.