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Finding the Fourth Proportional to 124,471,109.10, 186,706,663.65 and 124,471,109.10

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Solution

The fourth proportional to 124,471,109.10, 186,706,663.65 and 124,471,109.10 is: 186,706,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,471,109.10 : 186,706,663.65 = 124,471,109.10 : x
  2. Step 2: Convert to fraction form
    124,471,109.10/186,706,663.65 = 124,471,109.10/x
  3. Step 3: Cross multiply
    124,471,109.10x = 186,706,663.65 × 124,471,109.10
  4. Step 4: Simplify right side
    124,471,109.10x = 23,239,585,500,876,152
  5. Step 5: Solve for x
    x = 23,239,585,500,876,152/124,471,109.10
  6. Step 6: Final answer
    x = 186,706,663.65

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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.