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Finding the Fourth Proportional to 127,467.54, 175,897.98 and 70,877.70

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Solution

The fourth proportional to 127,467.54, 175,897.98 and 70,877.70 is: 97,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,467.54 : 175,897.98 = 70,877.70 : x
  2. Step 2: Convert to fraction form
    127,467.54/175,897.98 = 70,877.70/x
  3. Step 3: Cross multiply
    127,467.54x = 175,897.98 × 70,877.70
  4. Step 4: Simplify right side
    127,467.54x = 12,467,244,257.05
  5. Step 5: Solve for x
    x = 12,467,244,257.05/127,467.54
  6. Step 6: Final answer
    x = 97,807.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.