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Finding the Fourth Proportional to 292,894.52, 439,255.65 and 124,413.50

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Solution

The fourth proportional to 292,894.52, 439,255.65 and 124,413.50 is: 186,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,894.52 : 439,255.65 = 124,413.50 : x
  2. Step 2: Convert to fraction form
    292,894.52/439,255.65 = 124,413.50/x
  3. Step 3: Cross multiply
    292,894.52x = 439,255.65 × 124,413.50
  4. Step 4: Simplify right side
    292,894.52x = 54,649,330,615.00
  5. Step 5: Solve for x
    x = 54,649,330,615.00/292,894.52
  6. Step 6: Final answer
    x = 186,583.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.