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Finding the Fourth Proportional to 114,370.53, 157,831.35 and 64,069.53

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Solution

The fourth proportional to 114,370.53, 157,831.35 and 64,069.53 is: 88,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,370.53 : 157,831.35 = 64,069.53 : x
  2. Step 2: Convert to fraction form
    114,370.53/157,831.35 = 64,069.53/x
  3. Step 3: Cross multiply
    114,370.53x = 157,831.35 × 64,069.53
  4. Step 4: Simplify right side
    114,370.53x = 10,112,180,413.77
  5. Step 5: Solve for x
    x = 10,112,180,413.77/114,370.53
  6. Step 6: Final answer
    x = 88,415.96

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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.