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Finding the Fourth Proportional to 112,338,133.20, 157,726,882.80 and 112,338,133.20

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Solution

The fourth proportional to 112,338,133.20, 157,726,882.80 and 112,338,133.20 is: 157,726,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338,133.20 : 157,726,882.80 = 112,338,133.20 : x
  2. Step 2: Convert to fraction form
    112,338,133.20/157,726,882.80 = 112,338,133.20/x
  3. Step 3: Cross multiply
    112,338,133.20x = 157,726,882.80 × 112,338,133.20
  4. Step 4: Simplify right side
    112,338,133.20x = 17,718,743,569,207,190
  5. Step 5: Solve for x
    x = 17,718,743,569,207,190/112,338,133.20
  6. Step 6: Final answer
    x = 157,726,882.80

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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.