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Finding the Fourth Proportional to 121,051.60, 167,060.48 and 67,340.60

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Solution

The fourth proportional to 121,051.60, 167,060.48 and 67,340.60 is: 92,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,051.60 : 167,060.48 = 67,340.60 : x
  2. Step 2: Convert to fraction form
    121,051.60/167,060.48 = 67,340.60/x
  3. Step 3: Cross multiply
    121,051.60x = 167,060.48 × 67,340.60
  4. Step 4: Simplify right side
    121,051.60x = 11,249,952,413.96
  5. Step 5: Solve for x
    x = 11,249,952,413.96/121,051.60
  6. Step 6: Final answer
    x = 92,935.18

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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.