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Finding the Fourth Proportional to 92,705.64, 127,925.91 and 52,413.81

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Solution

The fourth proportional to 92,705.64, 127,925.91 and 52,413.81 is: 72,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,705.64 : 127,925.91 = 52,413.81 : x
  2. Step 2: Convert to fraction form
    92,705.64/127,925.91 = 52,413.81/x
  3. Step 3: Cross multiply
    92,705.64x = 127,925.91 × 52,413.81
  4. Step 4: Simplify right side
    92,705.64x = 6,705,084,340.82
  5. Step 5: Solve for x
    x = 6,705,084,340.82/92,705.64
  6. Step 6: Final answer
    x = 72,326.61

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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.