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Finding the Fourth Proportional to 97,413.60, 134,432.55 and 54,963.93

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Solution

The fourth proportional to 97,413.60, 134,432.55 and 54,963.93 is: 75,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,413.60 : 134,432.55 = 54,963.93 : x
  2. Step 2: Convert to fraction form
    97,413.60/134,432.55 = 54,963.93/x
  3. Step 3: Cross multiply
    97,413.60x = 134,432.55 × 54,963.93
  4. Step 4: Simplify right side
    97,413.60x = 7,388,941,267.92
  5. Step 5: Solve for x
    x = 7,388,941,267.92/97,413.60
  6. Step 6: Final answer
    x = 75,851.23

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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.