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Finding the Fourth Proportional to 58,463,944.40, 82,028,681.20 and 58,463,944.40

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Solution

The fourth proportional to 58,463,944.40, 82,028,681.20 and 58,463,944.40 is: 82,028,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,463,944.40 : 82,028,681.20 = 58,463,944.40 : x
  2. Step 2: Convert to fraction form
    58,463,944.40/82,028,681.20 = 58,463,944.40/x
  3. Step 3: Cross multiply
    58,463,944.40x = 82,028,681.20 × 58,463,944.40
  4. Step 4: Simplify right side
    58,463,944.40x = 4,795,720,256,882,125
  5. Step 5: Solve for x
    x = 4,795,720,256,882,125/58,463,944.40
  6. Step 6: Final answer
    x = 82,028,681.20

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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.