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Finding the Fourth Proportional to 117,119.99, 175,679.39 and 28,373.50

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Solution

The fourth proportional to 117,119.99, 175,679.39 and 28,373.50 is: 42,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,119.99 : 175,679.39 = 28,373.50 : x
  2. Step 2: Convert to fraction form
    117,119.99/175,679.39 = 28,373.50/x
  3. Step 3: Cross multiply
    117,119.99x = 175,679.39 × 28,373.50
  4. Step 4: Simplify right side
    117,119.99x = 4,984,638,803.90
  5. Step 5: Solve for x
    x = 4,984,638,803.90/117,119.99
  6. Step 6: Final answer
    x = 42,560.10

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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.