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Finding the Fourth Proportional to 124,980,344.40, 174,542,014.95 and 124,980,344.40

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Solution

The fourth proportional to 124,980,344.40, 174,542,014.95 and 124,980,344.40 is: 174,542,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,980,344.40 : 174,542,014.95 = 124,980,344.40 : x
  2. Step 2: Convert to fraction form
    124,980,344.40/174,542,014.95 = 124,980,344.40/x
  3. Step 3: Cross multiply
    124,980,344.40x = 174,542,014.95 × 124,980,344.40
  4. Step 4: Simplify right side
    124,980,344.40x = 21,814,321,140,720,948
  5. Step 5: Solve for x
    x = 21,814,321,140,720,948/124,980,344.40
  6. Step 6: Final answer
    x = 174,542,014.95

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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.