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Finding the Fourth Proportional to 336,041.68, 504,154.32 and 99,384.16

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Solution

The fourth proportional to 336,041.68, 504,154.32 and 99,384.16 is: 149,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,041.68 : 504,154.32 = 99,384.16 : x
  2. Step 2: Convert to fraction form
    336,041.68/504,154.32 = 99,384.16/x
  3. Step 3: Cross multiply
    336,041.68x = 504,154.32 × 99,384.16
  4. Step 4: Simplify right side
    336,041.68x = 50,104,953,603.57
  5. Step 5: Solve for x
    x = 50,104,953,603.57/336,041.68
  6. Step 6: Final answer
    x = 149,103.39

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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.