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Finding the Fourth Proportional to 193,641.30, 290,423.55 and 93,801.30

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Solution

The fourth proportional to 193,641.30, 290,423.55 and 93,801.30 is: 140,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,641.30 : 290,423.55 = 93,801.30 : x
  2. Step 2: Convert to fraction form
    193,641.30/290,423.55 = 93,801.30/x
  3. Step 3: Cross multiply
    193,641.30x = 290,423.55 × 93,801.30
  4. Step 4: Simplify right side
    193,641.30x = 27,242,106,540.62
  5. Step 5: Solve for x
    x = 27,242,106,540.62/193,641.30
  6. Step 6: Final answer
    x = 140,683.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.