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Finding the Fourth Proportional to 213,907.69, 295,194.95 and 118,415.98

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Solution

The fourth proportional to 213,907.69, 295,194.95 and 118,415.98 is: 163,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,907.69 : 295,194.95 = 118,415.98 : x
  2. Step 2: Convert to fraction form
    213,907.69/295,194.95 = 118,415.98/x
  3. Step 3: Cross multiply
    213,907.69x = 295,194.95 × 118,415.98
  4. Step 4: Simplify right side
    213,907.69x = 34,955,799,295.30
  5. Step 5: Solve for x
    x = 34,955,799,295.30/213,907.69
  6. Step 6: Final answer
    x = 163,415.35

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1.5x scale

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.