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Finding the Fourth Proportional to 163,159.16, 225,389.04 and 125,912.12

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Solution

The fourth proportional to 163,159.16, 225,389.04 and 125,912.12 is: 173,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,159.16 : 225,389.04 = 125,912.12 : x
  2. Step 2: Convert to fraction form
    163,159.16/225,389.04 = 125,912.12/x
  3. Step 3: Cross multiply
    163,159.16x = 225,389.04 × 125,912.12
  4. Step 4: Simplify right side
    163,159.16x = 28,379,211,851.16
  5. Step 5: Solve for x
    x = 28,379,211,851.16/163,159.16
  6. Step 6: Final answer
    x = 173,935.76

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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.