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Finding the Fourth Proportional to 124,980,321.90, 174,541,983.45 and 124,980,321.90

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Solution

The fourth proportional to 124,980,321.90, 174,541,983.45 and 124,980,321.90 is: 174,541,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,980,321.90 : 174,541,983.45 = 124,980,321.90 : x
  2. Step 2: Convert to fraction form
    124,980,321.90/174,541,983.45 = 124,980,321.90/x
  3. Step 3: Cross multiply
    124,980,321.90x = 174,541,983.45 × 124,980,321.90
  4. Step 4: Simplify right side
    124,980,321.90x = 21,814,313,276,645,472
  5. Step 5: Solve for x
    x = 21,814,313,276,645,472/124,980,321.90
  6. Step 6: Final answer
    x = 174,541,983.45

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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.