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Finding the Fourth Proportional to 82,974,005.60, 124,461,008.40 and 22,389,634.40

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Solution

The fourth proportional to 82,974,005.60, 124,461,008.40 and 22,389,634.40 is: 33,584,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,974,005.60 : 124,461,008.40 = 22,389,634.40 : x
  2. Step 2: Convert to fraction form
    82,974,005.60/124,461,008.40 = 22,389,634.40/x
  3. Step 3: Cross multiply
    82,974,005.60x = 124,461,008.40 × 22,389,634.40
  4. Step 4: Simplify right side
    82,974,005.60x = 2,786,636,475,131,329
  5. Step 5: Solve for x
    x = 2,786,636,475,131,329/82,974,005.60
  6. Step 6: Final answer
    x = 33,584,451.60

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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.