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Finding the Fourth Proportional to 114,306.77, 157,745.88 and 65,247.39

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Solution

The fourth proportional to 114,306.77, 157,745.88 and 65,247.39 is: 90,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,306.77 : 157,745.88 = 65,247.39 : x
  2. Step 2: Convert to fraction form
    114,306.77/157,745.88 = 65,247.39/x
  3. Step 3: Cross multiply
    114,306.77x = 157,745.88 × 65,247.39
  4. Step 4: Simplify right side
    114,306.77x = 10,292,506,953.25
  5. Step 5: Solve for x
    x = 10,292,506,953.25/114,306.77
  6. Step 6: Final answer
    x = 90,042.84

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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.