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Finding the Fourth Proportional to 316,877.00, 475,315.29 and 127,337.40

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Solution

The fourth proportional to 316,877.00, 475,315.29 and 127,337.40 is: 191,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,877.00 : 475,315.29 = 127,337.40 : x
  2. Step 2: Convert to fraction form
    316,877.00/475,315.29 = 127,337.40/x
  3. Step 3: Cross multiply
    316,877.00x = 475,315.29 × 127,337.40
  4. Step 4: Simplify right side
    316,877.00x = 60,525,413,208.85
  5. Step 5: Solve for x
    x = 60,525,413,208.85/316,877.00
  6. Step 6: Final answer
    x = 191,006.02

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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.