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Finding the Fourth Proportional to 236,710.98, 355,068.63 and 86,953.86

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Solution

The fourth proportional to 236,710.98, 355,068.63 and 86,953.86 is: 130,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,710.98 : 355,068.63 = 86,953.86 : x
  2. Step 2: Convert to fraction form
    236,710.98/355,068.63 = 86,953.86/x
  3. Step 3: Cross multiply
    236,710.98x = 355,068.63 × 86,953.86
  4. Step 4: Simplify right side
    236,710.98x = 30,874,587,943.41
  5. Step 5: Solve for x
    x = 30,874,587,943.41/236,710.98
  6. Step 6: Final answer
    x = 130,431.58

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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.