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Finding the Fourth Proportional to 227,068.84, 340,603.26 and 86,841.64

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Solution

The fourth proportional to 227,068.84, 340,603.26 and 86,841.64 is: 130,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,068.84 : 340,603.26 = 86,841.64 : x
  2. Step 2: Convert to fraction form
    227,068.84/340,603.26 = 86,841.64/x
  3. Step 3: Cross multiply
    227,068.84x = 340,603.26 × 86,841.64
  4. Step 4: Simplify right side
    227,068.84x = 29,578,545,687.75
  5. Step 5: Solve for x
    x = 29,578,545,687.75/227,068.84
  6. Step 6: Final answer
    x = 130,262.46

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1.5x scale

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.