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Finding the Fourth Proportional to 213,536.63, 294,655.01 and 118,030.34

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Solution

The fourth proportional to 213,536.63, 294,655.01 and 118,030.34 is: 162,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,536.63 : 294,655.01 = 118,030.34 : x
  2. Step 2: Convert to fraction form
    213,536.63/294,655.01 = 118,030.34/x
  3. Step 3: Cross multiply
    213,536.63x = 294,655.01 × 118,030.34
  4. Step 4: Simplify right side
    213,536.63x = 34,778,228,949.58
  5. Step 5: Solve for x
    x = 34,778,228,949.58/213,536.63
  6. Step 6: Final answer
    x = 162,867.75

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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.