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Finding the Fourth Proportional to 93,611,782.80, 140,228,717.40 and 93,611,782.80

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Solution

The fourth proportional to 93,611,782.80, 140,228,717.40 and 93,611,782.80 is: 140,228,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,611,782.80 : 140,228,717.40 = 93,611,782.80 : x
  2. Step 2: Convert to fraction form
    93,611,782.80/140,228,717.40 = 93,611,782.80/x
  3. Step 3: Cross multiply
    93,611,782.80x = 140,228,717.40 × 93,611,782.80
  4. Step 4: Simplify right side
    93,611,782.80x = 13,127,060,235,571,380
  5. Step 5: Solve for x
    x = 13,127,060,235,571,380/93,611,782.80
  6. Step 6: Final answer
    x = 140,228,717.40

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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.