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Finding the Fourth Proportional to 93,963,628.80, 140,903,452.80 and 36,436,780.80

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Solution

The fourth proportional to 93,963,628.80, 140,903,452.80 and 36,436,780.80 is: 54,638,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,963,628.80 : 140,903,452.80 = 36,436,780.80 : x
  2. Step 2: Convert to fraction form
    93,963,628.80/140,903,452.80 = 36,436,780.80/x
  3. Step 3: Cross multiply
    93,963,628.80x = 140,903,452.80 × 36,436,780.80
  4. Step 4: Simplify right side
    93,963,628.80x = 5,134,068,223,636,746
  5. Step 5: Solve for x
    x = 5,134,068,223,636,746/93,963,628.80
  6. Step 6: Final answer
    x = 54,638,888.36

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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.