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Finding the Fourth Proportional to 53,104,853.80, 79,657,280.70 and 53,104,853.80

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Solution

The fourth proportional to 53,104,853.80, 79,657,280.70 and 53,104,853.80 is: 79,657,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,104,853.80 : 79,657,280.70 = 53,104,853.80 : x
  2. Step 2: Convert to fraction form
    53,104,853.80/79,657,280.70 = 53,104,853.80/x
  3. Step 3: Cross multiply
    53,104,853.80x = 79,657,280.70 × 53,104,853.80
  4. Step 4: Simplify right side
    53,104,853.80x = 4,230,188,245,679,061.50
  5. Step 5: Solve for x
    x = 4,230,188,245,679,061.50/53,104,853.80
  6. Step 6: Final answer
    x = 79,657,280.70

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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.