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Finding the Fourth Proportional to 124,495,512.20, 186,407,345.10 and 124,495,512.20

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Solution

The fourth proportional to 124,495,512.20, 186,407,345.10 and 124,495,512.20 is: 186,407,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,495,512.20 : 186,407,345.10 = 124,495,512.20 : x
  2. Step 2: Convert to fraction form
    124,495,512.20/186,407,345.10 = 124,495,512.20/x
  3. Step 3: Cross multiply
    124,495,512.20x = 186,407,345.10 × 124,495,512.20
  4. Step 4: Simplify right side
    124,495,512.20x = 23,206,877,906,066,660
  5. Step 5: Solve for x
    x = 23,206,877,906,066,660/124,495,512.20
  6. Step 6: Final answer
    x = 186,407,345.10

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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.