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Finding the Fourth Proportional to 265,818.67, 366,838.62 and 144,966.55

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Solution

The fourth proportional to 265,818.67, 366,838.62 and 144,966.55 is: 200,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,818.67 : 366,838.62 = 144,966.55 : x
  2. Step 2: Convert to fraction form
    265,818.67/366,838.62 = 144,966.55/x
  3. Step 3: Cross multiply
    265,818.67x = 366,838.62 × 144,966.55
  4. Step 4: Simplify right side
    265,818.67x = 53,179,329,148.16
  5. Step 5: Solve for x
    x = 53,179,329,148.16/265,818.67
  6. Step 6: Final answer
    x = 200,058.67

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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.