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Finding the Fourth Proportional to 124,495,965.20, 186,408,024.60 and 124,495,965.20

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Solution

The fourth proportional to 124,495,965.20, 186,408,024.60 and 124,495,965.20 is: 186,408,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,495,965.20 : 186,408,024.60 = 124,495,965.20 : x
  2. Step 2: Convert to fraction form
    124,495,965.20/186,408,024.60 = 124,495,965.20/x
  3. Step 3: Cross multiply
    124,495,965.20x = 186,408,024.60 × 124,495,965.20
  4. Step 4: Simplify right side
    124,495,965.20x = 23,207,046,943,602,344
  5. Step 5: Solve for x
    x = 23,207,046,943,602,344/124,495,965.20
  6. Step 6: Final answer
    x = 186,408,024.60

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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.