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Finding the Fourth Proportional to 92,675.81, 127,547.87 and 76,413.04

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Solution

The fourth proportional to 92,675.81, 127,547.87 and 76,413.04 is: 105,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675.81 : 127,547.87 = 76,413.04 : x
  2. Step 2: Convert to fraction form
    92,675.81/127,547.87 = 76,413.04/x
  3. Step 3: Cross multiply
    92,675.81x = 127,547.87 × 76,413.04
  4. Step 4: Simplify right side
    92,675.81x = 9,746,319,791.29
  5. Step 5: Solve for x
    x = 9,746,319,791.29/92,675.81
  6. Step 6: Final answer
    x = 105,165.73

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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.