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Finding the Fourth Proportional to 113,153.67, 169,472.10 and 54,030.96

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Solution

The fourth proportional to 113,153.67, 169,472.10 and 54,030.96 is: 80,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,153.67 : 169,472.10 = 54,030.96 : x
  2. Step 2: Convert to fraction form
    113,153.67/169,472.10 = 54,030.96/x
  3. Step 3: Cross multiply
    113,153.67x = 169,472.10 × 54,030.96
  4. Step 4: Simplify right side
    113,153.67x = 9,156,740,256.22
  5. Step 5: Solve for x
    x = 9,156,740,256.22/113,153.67
  6. Step 6: Final answer
    x = 80,923.05

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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.