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Finding the Fourth Proportional to 213,496.42, 294,640.32 and 118,001.05

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Solution

The fourth proportional to 213,496.42, 294,640.32 and 118,001.05 is: 162,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,496.42 : 294,640.32 = 118,001.05 : x
  2. Step 2: Convert to fraction form
    213,496.42/294,640.32 = 118,001.05/x
  3. Step 3: Cross multiply
    213,496.42x = 294,640.32 × 118,001.05
  4. Step 4: Simplify right side
    213,496.42x = 34,767,867,132.34
  5. Step 5: Solve for x
    x = 34,767,867,132.34/213,496.42
  6. Step 6: Final answer
    x = 162,849.88

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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.