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Finding the Fourth Proportional to 163,707.60, 225,914.22 and 92,087.58

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Solution

The fourth proportional to 163,707.60, 225,914.22 and 92,087.58 is: 127,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,707.60 : 225,914.22 = 92,087.58 : x
  2. Step 2: Convert to fraction form
    163,707.60/225,914.22 = 92,087.58/x
  3. Step 3: Cross multiply
    163,707.60x = 225,914.22 × 92,087.58
  4. Step 4: Simplify right side
    163,707.60x = 20,803,893,807.39
  5. Step 5: Solve for x
    x = 20,803,893,807.39/163,707.60
  6. Step 6: Final answer
    x = 127,079.58

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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.