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Finding the Fourth Proportional to 158,888.70, 219,408.80 and 118,532.39

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Solution

The fourth proportional to 158,888.70, 219,408.80 and 118,532.39 is: 163,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,888.70 : 219,408.80 = 118,532.39 : x
  2. Step 2: Convert to fraction form
    158,888.70/219,408.80 = 118,532.39/x
  3. Step 3: Cross multiply
    158,888.70x = 219,408.80 × 118,532.39
  4. Step 4: Simplify right side
    158,888.70x = 26,007,047,761.33
  5. Step 5: Solve for x
    x = 26,007,047,761.33/158,888.70
  6. Step 6: Final answer
    x = 163,680.91

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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.