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Finding the Fourth Proportional to 160,765.40, 221,840.27 and 92,804.27

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Solution

The fourth proportional to 160,765.40, 221,840.27 and 92,804.27 is: 128,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,765.40 : 221,840.27 = 92,804.27 : x
  2. Step 2: Convert to fraction form
    160,765.40/221,840.27 = 92,804.27/x
  3. Step 3: Cross multiply
    160,765.40x = 221,840.27 × 92,804.27
  4. Step 4: Simplify right side
    160,765.40x = 20,587,723,979.76
  5. Step 5: Solve for x
    x = 20,587,723,979.76/160,765.40
  6. Step 6: Final answer
    x = 128,060.66

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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.