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Finding the Fourth Proportional to 133,471,041.60, 187,128,196.80 and 133,471,041.60

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Solution

The fourth proportional to 133,471,041.60, 187,128,196.80 and 133,471,041.60 is: 187,128,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,471,041.60 : 187,128,196.80 = 133,471,041.60 : x
  2. Step 2: Convert to fraction form
    133,471,041.60/187,128,196.80 = 133,471,041.60/x
  3. Step 3: Cross multiply
    133,471,041.60x = 187,128,196.80 × 133,471,041.60
  4. Step 4: Simplify right side
    133,471,041.60x = 24,976,195,339,625,788
  5. Step 5: Solve for x
    x = 24,976,195,339,625,788/133,471,041.60
  6. Step 6: Final answer
    x = 187,128,196.80

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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.