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Finding the Fourth Proportional to 441,737.01, 662,668.16 and 142,147.98

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Solution

The fourth proportional to 441,737.01, 662,668.16 and 142,147.98 is: 213,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,737.01 : 662,668.16 = 142,147.98 : x
  2. Step 2: Convert to fraction form
    441,737.01/662,668.16 = 142,147.98/x
  3. Step 3: Cross multiply
    441,737.01x = 662,668.16 × 142,147.98
  4. Step 4: Simplify right side
    441,737.01x = 94,196,939,643.58
  5. Step 5: Solve for x
    x = 94,196,939,643.58/441,737.01
  6. Step 6: Final answer
    x = 213,242.13

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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.