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Finding the Fourth Proportional to 178,925.50, 246,890.50 and 102,432.52

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Solution

The fourth proportional to 178,925.50, 246,890.50 and 102,432.52 is: 141,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,925.50 : 246,890.50 = 102,432.52 : x
  2. Step 2: Convert to fraction form
    178,925.50/246,890.50 = 102,432.52/x
  3. Step 3: Cross multiply
    178,925.50x = 246,890.50 × 102,432.52
  4. Step 4: Simplify right side
    178,925.50x = 25,289,616,079.06
  5. Step 5: Solve for x
    x = 25,289,616,079.06/178,925.50
  6. Step 6: Final answer
    x = 141,341.60

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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.