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Finding the Fourth Proportional to 101,924.33, 140,555.45 and 93,878.60

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Solution

The fourth proportional to 101,924.33, 140,555.45 and 93,878.60 is: 129,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,924.33 : 140,555.45 = 93,878.60 : x
  2. Step 2: Convert to fraction form
    101,924.33/140,555.45 = 93,878.60/x
  3. Step 3: Cross multiply
    101,924.33x = 140,555.45 × 93,878.60
  4. Step 4: Simplify right side
    101,924.33x = 13,195,148,400.29
  5. Step 5: Solve for x
    x = 13,195,148,400.29/101,924.33
  6. Step 6: Final answer
    x = 129,460.25

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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.