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Finding the Fourth Proportional to 93,302,912.80, 139,912,378.80 and 35,776,064.80

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Solution

The fourth proportional to 93,302,912.80, 139,912,378.80 and 35,776,064.80 is: 53,647,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,302,912.80 : 139,912,378.80 = 35,776,064.80 : x
  2. Step 2: Convert to fraction form
    93,302,912.80/139,912,378.80 = 35,776,064.80/x
  3. Step 3: Cross multiply
    93,302,912.80x = 139,912,378.80 × 35,776,064.80
  4. Step 4: Simplify right side
    93,302,912.80x = 5,005,514,330,270,946
  5. Step 5: Solve for x
    x = 5,005,514,330,270,946/93,302,912.80
  6. Step 6: Final answer
    x = 53,647,996.40

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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.