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Finding the Fourth Proportional to 163,395.81, 245,108.75 and 63,563.49

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Solution

The fourth proportional to 163,395.81, 245,108.75 and 63,563.49 is: 95,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,395.81 : 245,108.75 = 63,563.49 : x
  2. Step 2: Convert to fraction form
    163,395.81/245,108.75 = 63,563.49/x
  3. Step 3: Cross multiply
    163,395.81x = 245,108.75 × 63,563.49
  4. Step 4: Simplify right side
    163,395.81x = 15,579,967,261.72
  5. Step 5: Solve for x
    x = 15,579,967,261.72/163,395.81
  6. Step 6: Final answer
    x = 95,351.08

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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.