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Finding the Fourth Proportional to 113,073.63, 169,688.20 and 39,201.63

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Solution

The fourth proportional to 113,073.63, 169,688.20 and 39,201.63 is: 58,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,073.63 : 169,688.20 = 39,201.63 : x
  2. Step 2: Convert to fraction form
    113,073.63/169,688.20 = 39,201.63/x
  3. Step 3: Cross multiply
    113,073.63x = 169,688.20 × 39,201.63
  4. Step 4: Simplify right side
    113,073.63x = 6,652,054,031.77
  5. Step 5: Solve for x
    x = 6,652,054,031.77/113,073.63
  6. Step 6: Final answer
    x = 58,829.40

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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.