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Finding the Fourth Proportional to 172,488.26, 238,033.44 and 97,036.76

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Solution

The fourth proportional to 172,488.26, 238,033.44 and 97,036.76 is: 133,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488.26 : 238,033.44 = 97,036.76 : x
  2. Step 2: Convert to fraction form
    172,488.26/238,033.44 = 97,036.76/x
  3. Step 3: Cross multiply
    172,488.26x = 238,033.44 × 97,036.76
  4. Step 4: Simplify right side
    172,488.26x = 23,097,994,384.34
  5. Step 5: Solve for x
    x = 23,097,994,384.34/172,488.26
  6. Step 6: Final answer
    x = 133,910.53

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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.