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Finding the Fourth Proportional to 53,636,553.60, 80,454,830.40 and 48,261,782.40

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Solution

The fourth proportional to 53,636,553.60, 80,454,830.40 and 48,261,782.40 is: 72,392,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,636,553.60 : 80,454,830.40 = 48,261,782.40 : x
  2. Step 2: Convert to fraction form
    53,636,553.60/80,454,830.40 = 48,261,782.40/x
  3. Step 3: Cross multiply
    53,636,553.60x = 80,454,830.40 × 48,261,782.40
  4. Step 4: Simplify right side
    53,636,553.60x = 3,882,893,517,793,705
  5. Step 5: Solve for x
    x = 3,882,893,517,793,705/53,636,553.60
  6. Step 6: Final answer
    x = 72,392,673.60

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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.