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Finding the Fourth Proportional to 194,987.79, 292,481.78 and 70,328.79

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Solution

The fourth proportional to 194,987.79, 292,481.78 and 70,328.79 is: 105,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,987.79 : 292,481.78 = 70,328.79 : x
  2. Step 2: Convert to fraction form
    194,987.79/292,481.78 = 70,328.79/x
  3. Step 3: Cross multiply
    194,987.79x = 292,481.78 × 70,328.79
  4. Step 4: Simplify right side
    194,987.79x = 20,569,889,332.80
  5. Step 5: Solve for x
    x = 20,569,889,332.80/194,987.79
  6. Step 6: Final answer
    x = 105,493.22

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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.