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Finding the Fourth Proportional to 117,069.76, 175,622.88 and 38,165.76

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Solution

The fourth proportional to 117,069.76, 175,622.88 and 38,165.76 is: 57,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,069.76 : 175,622.88 = 38,165.76 : x
  2. Step 2: Convert to fraction form
    117,069.76/175,622.88 = 38,165.76/x
  3. Step 3: Cross multiply
    117,069.76x = 175,622.88 × 38,165.76
  4. Step 4: Simplify right side
    117,069.76x = 6,702,780,688.59
  5. Step 5: Solve for x
    x = 6,702,780,688.59/117,069.76
  6. Step 6: Final answer
    x = 57,254.59

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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.