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Finding the Fourth Proportional to 284,666.88, 426,723.84 and 118,502.40

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Solution

The fourth proportional to 284,666.88, 426,723.84 and 118,502.40 is: 177,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,666.88 : 426,723.84 = 118,502.40 : x
  2. Step 2: Convert to fraction form
    284,666.88/426,723.84 = 118,502.40/x
  3. Step 3: Cross multiply
    284,666.88x = 426,723.84 × 118,502.40
  4. Step 4: Simplify right side
    284,666.88x = 50,567,799,177.22
  5. Step 5: Solve for x
    x = 50,567,799,177.22/284,666.88
  6. Step 6: Final answer
    x = 177,638.51

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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.