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Finding the Fourth Proportional to 250,783.61, 375,977.51 and 124,336.67

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Solution

The fourth proportional to 250,783.61, 375,977.51 and 124,336.67 is: 186,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,783.61 : 375,977.51 = 124,336.67 : x
  2. Step 2: Convert to fraction form
    250,783.61/375,977.51 = 124,336.67/x
  3. Step 3: Cross multiply
    250,783.61x = 375,977.51 × 124,336.67
  4. Step 4: Simplify right side
    250,783.61x = 46,747,790,966.61
  5. Step 5: Solve for x
    x = 46,747,790,966.61/250,783.61
  6. Step 6: Final answer
    x = 186,406.88

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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.