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Finding the Fourth Proportional to 107,260.40, 160,676.76 and 83,776.88

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Solution

The fourth proportional to 107,260.40, 160,676.76 and 83,776.88 is: 125,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,260.40 : 160,676.76 = 83,776.88 : x
  2. Step 2: Convert to fraction form
    107,260.40/160,676.76 = 83,776.88/x
  3. Step 3: Cross multiply
    107,260.40x = 160,676.76 × 83,776.88
  4. Step 4: Simplify right side
    107,260.40x = 13,460,997,641.31
  5. Step 5: Solve for x
    x = 13,460,997,641.31/107,260.40
  6. Step 6: Final answer
    x = 125,498.30

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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.