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Finding the Fourth Proportional to 73,688,927.40, 110,320,814.70 and 73,688,927.40

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Solution

The fourth proportional to 73,688,927.40, 110,320,814.70 and 73,688,927.40 is: 110,320,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,688,927.40 : 110,320,814.70 = 73,688,927.40 : x
  2. Step 2: Convert to fraction form
    73,688,927.40/110,320,814.70 = 73,688,927.40/x
  3. Step 3: Cross multiply
    73,688,927.40x = 110,320,814.70 × 73,688,927.40
  4. Step 4: Simplify right side
    73,688,927.40x = 8,129,422,505,137,154
  5. Step 5: Solve for x
    x = 8,129,422,505,137,154/73,688,927.40
  6. Step 6: Final answer
    x = 110,320,814.70

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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.