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Finding the Fourth Proportional to 63,178.61, 87,182.73 and 34,492.55

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Solution

The fourth proportional to 63,178.61, 87,182.73 and 34,492.55 is: 47,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,178.61 : 87,182.73 = 34,492.55 : x
  2. Step 2: Convert to fraction form
    63,178.61/87,182.73 = 34,492.55/x
  3. Step 3: Cross multiply
    63,178.61x = 87,182.73 × 34,492.55
  4. Step 4: Simplify right side
    63,178.61x = 3,007,154,673.66
  5. Step 5: Solve for x
    x = 3,007,154,673.66/63,178.61
  6. Step 6: Final answer
    x = 47,597.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.