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Finding the Fourth Proportional to 152,676.85, 210,695.33 and 84,698.28

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Solution

The fourth proportional to 152,676.85, 210,695.33 and 84,698.28 is: 116,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,676.85 : 210,695.33 = 84,698.28 : x
  2. Step 2: Convert to fraction form
    152,676.85/210,695.33 = 84,698.28/x
  3. Step 3: Cross multiply
    152,676.85x = 210,695.33 × 84,698.28
  4. Step 4: Simplify right side
    152,676.85x = 17,845,532,055.03
  5. Step 5: Solve for x
    x = 17,845,532,055.03/152,676.85
  6. Step 6: Final answer
    x = 116,884.33

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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.