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Finding the Fourth Proportional to 265,894.84, 366,936.02 and 145,038.76

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Solution

The fourth proportional to 265,894.84, 366,936.02 and 145,038.76 is: 200,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,894.84 : 366,936.02 = 145,038.76 : x
  2. Step 2: Convert to fraction form
    265,894.84/366,936.02 = 145,038.76/x
  3. Step 3: Cross multiply
    265,894.84x = 366,936.02 × 145,038.76
  4. Step 4: Simplify right side
    265,894.84x = 53,219,945,340.14
  5. Step 5: Solve for x
    x = 53,219,945,340.14/265,894.84
  6. Step 6: Final answer
    x = 200,154.11

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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.