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Finding the Fourth Proportional to 88,075.74, 132,127.38 and 28,897.95

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Solution

The fourth proportional to 88,075.74, 132,127.38 and 28,897.95 is: 43,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,075.74 : 132,127.38 = 28,897.95 : x
  2. Step 2: Convert to fraction form
    88,075.74/132,127.38 = 28,897.95/x
  3. Step 3: Cross multiply
    88,075.74x = 132,127.38 × 28,897.95
  4. Step 4: Simplify right side
    88,075.74x = 3,818,210,420.87
  5. Step 5: Solve for x
    x = 3,818,210,420.87/88,075.74
  6. Step 6: Final answer
    x = 43,351.44

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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.