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Finding the Fourth Proportional to 153,375.63, 211,603.57 and 88,809.63

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Solution

The fourth proportional to 153,375.63, 211,603.57 and 88,809.63 is: 122,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,375.63 : 211,603.57 = 88,809.63 : x
  2. Step 2: Convert to fraction form
    153,375.63/211,603.57 = 88,809.63/x
  3. Step 3: Cross multiply
    153,375.63x = 211,603.57 × 88,809.63
  4. Step 4: Simplify right side
    153,375.63x = 18,792,434,758.38
  5. Step 5: Solve for x
    x = 18,792,434,758.38/153,375.63
  6. Step 6: Final answer
    x = 122,525.56

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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.