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Finding the Fourth Proportional to 117,931.12, 176,898.03 and 50,453.98

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Solution

The fourth proportional to 117,931.12, 176,898.03 and 50,453.98 is: 75,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,931.12 : 176,898.03 = 50,453.98 : x
  2. Step 2: Convert to fraction form
    117,931.12/176,898.03 = 50,453.98/x
  3. Step 3: Cross multiply
    117,931.12x = 176,898.03 × 50,453.98
  4. Step 4: Simplify right side
    117,931.12x = 8,925,209,667.66
  5. Step 5: Solve for x
    x = 8,925,209,667.66/117,931.12
  6. Step 6: Final answer
    x = 75,681.55

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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.