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Finding the Fourth Proportional to 163,695.76, 225,897.84 and 92,075.76

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Solution

The fourth proportional to 163,695.76, 225,897.84 and 92,075.76 is: 127,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,695.76 : 225,897.84 = 92,075.76 : x
  2. Step 2: Convert to fraction form
    163,695.76/225,897.84 = 92,075.76/x
  3. Step 3: Cross multiply
    163,695.76x = 225,897.84 × 92,075.76
  4. Step 4: Simplify right side
    163,695.76x = 20,799,715,300.36
  5. Step 5: Solve for x
    x = 20,799,715,300.36/163,695.76
  6. Step 6: Final answer
    x = 127,063.25

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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.