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Finding the Fourth Proportional to 163,627.98, 225,918.42 and 125,319.84

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Solution

The fourth proportional to 163,627.98, 225,918.42 and 125,319.84 is: 173,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,627.98 : 225,918.42 = 125,319.84 : x
  2. Step 2: Convert to fraction form
    163,627.98/225,918.42 = 125,319.84/x
  3. Step 3: Cross multiply
    163,627.98x = 225,918.42 × 125,319.84
  4. Step 4: Simplify right side
    163,627.98x = 28,312,060,247.45
  5. Step 5: Solve for x
    x = 28,312,060,247.45/163,627.98
  6. Step 6: Final answer
    x = 173,027.01

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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.