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Finding the Fourth Proportional to 330,090.88, 495,155.76 and 93,413.92

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Solution

The fourth proportional to 330,090.88, 495,155.76 and 93,413.92 is: 140,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,090.88 : 495,155.76 = 93,413.92 : x
  2. Step 2: Convert to fraction form
    330,090.88/495,155.76 = 93,413.92/x
  3. Step 3: Cross multiply
    330,090.88x = 495,155.76 × 93,413.92
  4. Step 4: Simplify right side
    330,090.88x = 46,254,440,552.18
  5. Step 5: Solve for x
    x = 46,254,440,552.18/330,090.88
  6. Step 6: Final answer
    x = 140,126.38

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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.