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Finding the Fourth Proportional to 117,507.48, 176,436.18 and 47,523.48

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Solution

The fourth proportional to 117,507.48, 176,436.18 and 47,523.48 is: 71,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,507.48 : 176,436.18 = 47,523.48 : x
  2. Step 2: Convert to fraction form
    117,507.48/176,436.18 = 47,523.48/x
  3. Step 3: Cross multiply
    117,507.48x = 176,436.18 × 47,523.48
  4. Step 4: Simplify right side
    117,507.48x = 8,384,861,271.51
  5. Step 5: Solve for x
    x = 8,384,861,271.51/117,507.48
  6. Step 6: Final answer
    x = 71,355.98

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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.