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Finding the Fourth Proportional to 219,349.75, 302,703.06 and 118,747.75

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Solution

The fourth proportional to 219,349.75, 302,703.06 and 118,747.75 is: 163,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,349.75 : 302,703.06 = 118,747.75 : x
  2. Step 2: Convert to fraction form
    219,349.75/302,703.06 = 118,747.75/x
  3. Step 3: Cross multiply
    219,349.75x = 302,703.06 × 118,747.75
  4. Step 4: Simplify right side
    219,349.75x = 35,945,307,293.12
  5. Step 5: Solve for x
    x = 35,945,307,293.12/219,349.75
  6. Step 6: Final answer
    x = 163,872.11

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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.