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Finding the Fourth Proportional to 56,146,501.70, 84,219,752.55 and 56,146,501.70

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Solution

The fourth proportional to 56,146,501.70, 84,219,752.55 and 56,146,501.70 is: 84,219,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,146,501.70 : 84,219,752.55 = 56,146,501.70 : x
  2. Step 2: Convert to fraction form
    56,146,501.70/84,219,752.55 = 56,146,501.70/x
  3. Step 3: Cross multiply
    56,146,501.70x = 84,219,752.55 × 56,146,501.70
  4. Step 4: Simplify right side
    56,146,501.70x = 4,728,644,479,722,154
  5. Step 5: Solve for x
    x = 4,728,644,479,722,154/56,146,501.70
  6. Step 6: Final answer
    x = 84,219,752.55

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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.