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Finding the Fourth Proportional to 108,304.76, 162,289.58 and 75,089.72

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Solution

The fourth proportional to 108,304.76, 162,289.58 and 75,089.72 is: 112,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,304.76 : 162,289.58 = 75,089.72 : x
  2. Step 2: Convert to fraction form
    108,304.76/162,289.58 = 75,089.72/x
  3. Step 3: Cross multiply
    108,304.76x = 162,289.58 × 75,089.72
  4. Step 4: Simplify right side
    108,304.76x = 12,186,279,121.12
  5. Step 5: Solve for x
    x = 12,186,279,121.12/108,304.76
  6. Step 6: Final answer
    x = 112,518.41

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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.