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Finding the Fourth Proportional to 172,817.63, 238,488.33 and 93,329.63

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Solution

The fourth proportional to 172,817.63, 238,488.33 and 93,329.63 is: 128,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,817.63 : 238,488.33 = 93,329.63 : x
  2. Step 2: Convert to fraction form
    172,817.63/238,488.33 = 93,329.63/x
  3. Step 3: Cross multiply
    172,817.63x = 238,488.33 × 93,329.63
  4. Step 4: Simplify right side
    172,817.63x = 22,258,027,598.22
  5. Step 5: Solve for x
    x = 22,258,027,598.22/172,817.63
  6. Step 6: Final answer
    x = 128,794.89

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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.