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Finding the Fourth Proportional to 107,000.70, 160,501.05 and 54,512.70

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Solution

The fourth proportional to 107,000.70, 160,501.05 and 54,512.70 is: 81,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,000.70 : 160,501.05 = 54,512.70 : x
  2. Step 2: Convert to fraction form
    107,000.70/160,501.05 = 54,512.70/x
  3. Step 3: Cross multiply
    107,000.70x = 160,501.05 × 54,512.70
  4. Step 4: Simplify right side
    107,000.70x = 8,749,345,588.34
  5. Step 5: Solve for x
    x = 8,749,345,588.34/107,000.70
  6. Step 6: Final answer
    x = 81,769.05

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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.