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Finding the Fourth Proportional to 213,758.51, 294,985.02 and 118,270.44

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Solution

The fourth proportional to 213,758.51, 294,985.02 and 118,270.44 is: 163,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,758.51 : 294,985.02 = 118,270.44 : x
  2. Step 2: Convert to fraction form
    213,758.51/294,985.02 = 118,270.44/x
  3. Step 3: Cross multiply
    213,758.51x = 294,985.02 × 118,270.44
  4. Step 4: Simplify right side
    213,758.51x = 34,888,008,552.32
  5. Step 5: Solve for x
    x = 34,888,008,552.32/213,758.51
  6. Step 6: Final answer
    x = 163,212.26

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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.