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Finding the Fourth Proportional to 188,312.51, 282,468.67 and 48,071.09

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Solution

The fourth proportional to 188,312.51, 282,468.67 and 48,071.09 is: 72,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,312.51 : 282,468.67 = 48,071.09 : x
  2. Step 2: Convert to fraction form
    188,312.51/282,468.67 = 48,071.09/x
  3. Step 3: Cross multiply
    188,312.51x = 282,468.67 × 48,071.09
  4. Step 4: Simplify right side
    188,312.51x = 13,578,576,857.75
  5. Step 5: Solve for x
    x = 13,578,576,857.75/188,312.51
  6. Step 6: Final answer
    x = 72,106.61

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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.