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Finding the Fourth Proportional to 152,969.58, 211,024.44 and 99,271.44

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Solution

The fourth proportional to 152,969.58, 211,024.44 and 99,271.44 is: 136,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,969.58 : 211,024.44 = 99,271.44 : x
  2. Step 2: Convert to fraction form
    152,969.58/211,024.44 = 99,271.44/x
  3. Step 3: Cross multiply
    152,969.58x = 211,024.44 × 99,271.44
  4. Step 4: Simplify right side
    152,969.58x = 20,948,700,033.99
  5. Step 5: Solve for x
    x = 20,948,700,033.99/152,969.58
  6. Step 6: Final answer
    x = 136,946.84

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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.