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Finding the Fourth Proportional to 336,095.94, 503,968.95 and 99,406.68

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Solution

The fourth proportional to 336,095.94, 503,968.95 and 99,406.68 is: 149,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,095.94 : 503,968.95 = 99,406.68 : x
  2. Step 2: Convert to fraction form
    336,095.94/503,968.95 = 99,406.68/x
  3. Step 3: Cross multiply
    336,095.94x = 503,968.95 × 99,406.68
  4. Step 4: Simplify right side
    336,095.94x = 50,097,880,142.59
  5. Step 5: Solve for x
    x = 50,097,880,142.59/336,095.94
  6. Step 6: Final answer
    x = 149,058.27

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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.