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Finding the Fourth Proportional to 141,660.76, 212,412.50 and 65,676.28

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Solution

The fourth proportional to 141,660.76, 212,412.50 and 65,676.28 is: 98,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,660.76 : 212,412.50 = 65,676.28 : x
  2. Step 2: Convert to fraction form
    141,660.76/212,412.50 = 65,676.28/x
  3. Step 3: Cross multiply
    141,660.76x = 212,412.50 × 65,676.28
  4. Step 4: Simplify right side
    141,660.76x = 13,950,462,825.50
  5. Step 5: Solve for x
    x = 13,950,462,825.50/141,660.76
  6. Step 6: Final answer
    x = 98,477.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.