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Finding the Fourth Proportional to 56,167,657.20, 84,125,514.60 and 56,167,657.20

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Solution

The fourth proportional to 56,167,657.20, 84,125,514.60 and 56,167,657.20 is: 84,125,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167,657.20 : 84,125,514.60 = 56,167,657.20 : x
  2. Step 2: Convert to fraction form
    56,167,657.20/84,125,514.60 = 56,167,657.20/x
  3. Step 3: Cross multiply
    56,167,657.20x = 84,125,514.60 × 56,167,657.20
  4. Step 4: Simplify right side
    56,167,657.20x = 4,725,133,065,826,395
  5. Step 5: Solve for x
    x = 4,725,133,065,826,395/56,167,657.20
  6. Step 6: Final answer
    x = 84,125,514.60

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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.