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Finding the Fourth Proportional to 265,756.61, 398,715.39 and 94,955.95

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Solution

The fourth proportional to 265,756.61, 398,715.39 and 94,955.95 is: 142,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,756.61 : 398,715.39 = 94,955.95 : x
  2. Step 2: Convert to fraction form
    265,756.61/398,715.39 = 94,955.95/x
  3. Step 3: Cross multiply
    265,756.61x = 398,715.39 × 94,955.95
  4. Step 4: Simplify right side
    265,756.61x = 37,860,399,148.75
  5. Step 5: Solve for x
    x = 37,860,399,148.75/265,756.61
  6. Step 6: Final answer
    x = 142,462.68

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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.