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Finding the Fourth Proportional to 93,030.44, 139,582.92 and 33,870.20

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Solution

The fourth proportional to 93,030.44, 139,582.92 and 33,870.20 is: 50,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,030.44 : 139,582.92 = 33,870.20 : x
  2. Step 2: Convert to fraction form
    93,030.44/139,582.92 = 33,870.20/x
  3. Step 3: Cross multiply
    93,030.44x = 139,582.92 × 33,870.20
  4. Step 4: Simplify right side
    93,030.44x = 4,727,701,416.98
  5. Step 5: Solve for x
    x = 4,727,701,416.98/93,030.44
  6. Step 6: Final answer
    x = 50,818.87

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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.