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Finding the Fourth Proportional to 13,870,897.80, 19,461,772.20 and 13,870,897.80

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Solution

The fourth proportional to 13,870,897.80, 19,461,772.20 and 13,870,897.80 is: 19,461,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,897.80 : 19,461,772.20 = 13,870,897.80 : x
  2. Step 2: Convert to fraction form
    13,870,897.80/19,461,772.20 = 13,870,897.80/x
  3. Step 3: Cross multiply
    13,870,897.80x = 19,461,772.20 × 13,870,897.80
  4. Step 4: Simplify right side
    13,870,897.80x = 269,952,253,193,081.16
  5. Step 5: Solve for x
    x = 269,952,253,193,081.16/13,870,897.80
  6. Step 6: Final answer
    x = 19,461,772.20

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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.