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Finding the Fourth Proportional to 117,476.39, 176,234.48 and 40,518.49

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Solution

The fourth proportional to 117,476.39, 176,234.48 and 40,518.49 is: 60,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.39 : 176,234.48 = 40,518.49 : x
  2. Step 2: Convert to fraction form
    117,476.39/176,234.48 = 40,518.49/x
  3. Step 3: Cross multiply
    117,476.39x = 176,234.48 × 40,518.49
  4. Step 4: Simplify right side
    117,476.39x = 7,140,754,930.71
  5. Step 5: Solve for x
    x = 7,140,754,930.71/117,476.39
  6. Step 6: Final answer
    x = 60,784.60

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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.