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Finding the Fourth Proportional to 114,348.75, 157,801.28 and 69,636.75

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Solution

The fourth proportional to 114,348.75, 157,801.28 and 69,636.75 is: 96,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,348.75 : 157,801.28 = 69,636.75 : x
  2. Step 2: Convert to fraction form
    114,348.75/157,801.28 = 69,636.75/x
  3. Step 3: Cross multiply
    114,348.75x = 157,801.28 × 69,636.75
  4. Step 4: Simplify right side
    114,348.75x = 10,988,767,936.86
  5. Step 5: Solve for x
    x = 10,988,767,936.86/114,348.75
  6. Step 6: Final answer
    x = 96,098.72

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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.