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Finding the Fourth Proportional to 153,546.98, 211,886.08 and 84,622.76

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Solution

The fourth proportional to 153,546.98, 211,886.08 and 84,622.76 is: 116,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,546.98 : 211,886.08 = 84,622.76 : x
  2. Step 2: Convert to fraction form
    153,546.98/211,886.08 = 84,622.76/x
  3. Step 3: Cross multiply
    153,546.98x = 211,886.08 × 84,622.76
  4. Step 4: Simplify right side
    153,546.98x = 17,930,384,418.77
  5. Step 5: Solve for x
    x = 17,930,384,418.77/153,546.98
  6. Step 6: Final answer
    x = 116,774.59

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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.