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Finding the Fourth Proportional to 299,127.37, 448,522.65 and 99,340.66

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Solution

The fourth proportional to 299,127.37, 448,522.65 and 99,340.66 is: 148,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,127.37 : 448,522.65 = 99,340.66 : x
  2. Step 2: Convert to fraction form
    299,127.37/448,522.65 = 99,340.66/x
  3. Step 3: Cross multiply
    299,127.37x = 448,522.65 × 99,340.66
  4. Step 4: Simplify right side
    299,127.37x = 44,556,536,075.95
  5. Step 5: Solve for x
    x = 44,556,536,075.95/299,127.37
  6. Step 6: Final answer
    x = 148,955.06

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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.