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Finding the Fourth Proportional to 92,328.66, 127,413.54 and 49,887.20

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Solution

The fourth proportional to 92,328.66, 127,413.54 and 49,887.20 is: 68,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,328.66 : 127,413.54 = 49,887.20 : x
  2. Step 2: Convert to fraction form
    92,328.66/127,413.54 = 49,887.20/x
  3. Step 3: Cross multiply
    92,328.66x = 127,413.54 × 49,887.20
  4. Step 4: Simplify right side
    92,328.66x = 6,356,304,752.69
  5. Step 5: Solve for x
    x = 6,356,304,752.69/92,328.66
  6. Step 6: Final answer
    x = 68,844.33

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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.