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Finding the Fourth Proportional to 250,209.63, 375,384.38 and 100,554.93

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Solution

The fourth proportional to 250,209.63, 375,384.38 and 100,554.93 is: 150,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,209.63 : 375,384.38 = 100,554.93 : x
  2. Step 2: Convert to fraction form
    250,209.63/375,384.38 = 100,554.93/x
  3. Step 3: Cross multiply
    250,209.63x = 375,384.38 × 100,554.93
  4. Step 4: Simplify right side
    250,209.63x = 37,746,749,551.22
  5. Step 5: Solve for x
    x = 37,746,749,551.22/250,209.63
  6. Step 6: Final answer
    x = 150,860.50

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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.