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Finding the Fourth Proportional to 218,852.67, 302,016.70 and 118,250.67

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Solution

The fourth proportional to 218,852.67, 302,016.70 and 118,250.67 is: 163,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,852.67 : 302,016.70 = 118,250.67 : x
  2. Step 2: Convert to fraction form
    218,852.67/302,016.70 = 118,250.67/x
  3. Step 3: Cross multiply
    218,852.67x = 302,016.70 × 118,250.67
  4. Step 4: Simplify right side
    218,852.67x = 35,713,677,126.19
  5. Step 5: Solve for x
    x = 35,713,677,126.19/218,852.67
  6. Step 6: Final answer
    x = 163,185.93

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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.