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Finding the Fourth Proportional to 107,100.48, 160,638.48 and 28,220.88

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Solution

The fourth proportional to 107,100.48, 160,638.48 and 28,220.88 is: 42,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,100.48 : 160,638.48 = 28,220.88 : x
  2. Step 2: Convert to fraction form
    107,100.48/160,638.48 = 28,220.88/x
  3. Step 3: Cross multiply
    107,100.48x = 160,638.48 × 28,220.88
  4. Step 4: Simplify right side
    107,100.48x = 4,533,359,267.46
  5. Step 5: Solve for x
    x = 4,533,359,267.46/107,100.48
  6. Step 6: Final answer
    x = 42,328.09

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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.