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Finding the Fourth Proportional to 114,413.60, 157,900.20 and 63,442.64

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Solution

The fourth proportional to 114,413.60, 157,900.20 and 63,442.64 is: 87,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,413.60 : 157,900.20 = 63,442.64 : x
  2. Step 2: Convert to fraction form
    114,413.60/157,900.20 = 63,442.64/x
  3. Step 3: Cross multiply
    114,413.60x = 157,900.20 × 63,442.64
  4. Step 4: Simplify right side
    114,413.60x = 10,017,605,544.53
  5. Step 5: Solve for x
    x = 10,017,605,544.53/114,413.60
  6. Step 6: Final answer
    x = 87,556.07

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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.