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Finding the Fourth Proportional to 219,597.16, 329,376.84 and 69,841.12

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Solution

The fourth proportional to 219,597.16, 329,376.84 and 69,841.12 is: 104,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,597.16 : 329,376.84 = 69,841.12 : x
  2. Step 2: Convert to fraction form
    219,597.16/329,376.84 = 69,841.12/x
  3. Step 3: Cross multiply
    219,597.16x = 329,376.84 × 69,841.12
  4. Step 4: Simplify right side
    219,597.16x = 23,004,047,407.66
  5. Step 5: Solve for x
    x = 23,004,047,407.66/219,597.16
  6. Step 6: Final answer
    x = 104,755.67

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1.5x scale

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.