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Finding the Fourth Proportional to 56,170,725.60, 78,865,764 and 56,170,725.60

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Solution

The fourth proportional to 56,170,725.60, 78,865,764 and 56,170,725.60 is: 78,865,764

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170,725.60 : 78,865,764 = 56,170,725.60 : x
  2. Step 2: Convert to fraction form
    56,170,725.60/78,865,764 = 56,170,725.60/x
  3. Step 3: Cross multiply
    56,170,725.60x = 78,865,764 × 56,170,725.60
  4. Step 4: Simplify right side
    56,170,725.60x = 4,429,947,188,878,358.50
  5. Step 5: Solve for x
    x = 4,429,947,188,878,358.50/56,170,725.60
  6. Step 6: Final answer
    x = 78,865,764

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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.