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Finding the Fourth Proportional to 93,000.38, 139,500.63 and 30,670.88

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Solution

The fourth proportional to 93,000.38, 139,500.63 and 30,670.88 is: 46,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.38 : 139,500.63 = 30,670.88 : x
  2. Step 2: Convert to fraction form
    93,000.38/139,500.63 = 30,670.88/x
  3. Step 3: Cross multiply
    93,000.38x = 139,500.63 × 30,670.88
  4. Step 4: Simplify right side
    93,000.38x = 4,278,606,385.15
  5. Step 5: Solve for x
    x = 4,278,606,385.15/93,000.38
  6. Step 6: Final answer
    x = 46,006.33

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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.