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Finding the Fourth Proportional to 336,041.76, 504,154.40 and 99,384.16

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Solution

The fourth proportional to 336,041.76, 504,154.40 and 99,384.16 is: 149,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,041.76 : 504,154.40 = 99,384.16 : x
  2. Step 2: Convert to fraction form
    336,041.76/504,154.40 = 99,384.16/x
  3. Step 3: Cross multiply
    336,041.76x = 504,154.40 × 99,384.16
  4. Step 4: Simplify right side
    336,041.76x = 50,104,961,554.30
  5. Step 5: Solve for x
    x = 50,104,961,554.30/336,041.76
  6. Step 6: Final answer
    x = 149,103.38

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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.