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Finding the Fourth Proportional to 213,554.70, 294,679.80 and 118,048.38

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Solution

The fourth proportional to 213,554.70, 294,679.80 and 118,048.38 is: 162,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,554.70 : 294,679.80 = 118,048.38 : x
  2. Step 2: Convert to fraction form
    213,554.70/294,679.80 = 118,048.38/x
  3. Step 3: Cross multiply
    213,554.70x = 294,679.80 × 118,048.38
  4. Step 4: Simplify right side
    213,554.70x = 34,786,473,008.72
  5. Step 5: Solve for x
    x = 34,786,473,008.72/213,554.70
  6. Step 6: Final answer
    x = 162,892.57

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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.