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Finding the Fourth Proportional to 159,101.63, 219,558.47 and 118,447.53

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Solution

The fourth proportional to 159,101.63, 219,558.47 and 118,447.53 is: 163,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,101.63 : 219,558.47 = 118,447.53 : x
  2. Step 2: Convert to fraction form
    159,101.63/219,558.47 = 118,447.53/x
  3. Step 3: Cross multiply
    159,101.63x = 219,558.47 × 118,447.53
  4. Step 4: Simplify right side
    159,101.63x = 26,006,157,046.50
  5. Step 5: Solve for x
    x = 26,006,157,046.50/159,101.63
  6. Step 6: Final answer
    x = 163,456.26

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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.