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Finding the Fourth Proportional to 116,896,854.80, 164,013,914.80 and 116,896,854.80

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Solution

The fourth proportional to 116,896,854.80, 164,013,914.80 and 116,896,854.80 is: 164,013,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,896,854.80 : 164,013,914.80 = 116,896,854.80 : x
  2. Step 2: Convert to fraction form
    116,896,854.80/164,013,914.80 = 116,896,854.80/x
  3. Step 3: Cross multiply
    116,896,854.80x = 164,013,914.80 × 116,896,854.80
  4. Step 4: Simplify right side
    116,896,854.80x = 19,172,710,783,555,172
  5. Step 5: Solve for x
    x = 19,172,710,783,555,172/116,896,854.80
  6. Step 6: Final answer
    x = 164,013,914.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.