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Finding the Fourth Proportional to 219,567.98, 302,986.94 and 133,515.16

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Solution

The fourth proportional to 219,567.98, 302,986.94 and 133,515.16 is: 184,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,567.98 : 302,986.94 = 133,515.16 : x
  2. Step 2: Convert to fraction form
    219,567.98/302,986.94 = 133,515.16/x
  3. Step 3: Cross multiply
    219,567.98x = 302,986.94 × 133,515.16
  4. Step 4: Simplify right side
    219,567.98x = 40,453,348,346.97
  5. Step 5: Solve for x
    x = 40,453,348,346.97/219,567.98
  6. Step 6: Final answer
    x = 184,240.65

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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.