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Finding the Fourth Proportional to 132,118,505.20, 185,348,544.80 and 132,118,505.20

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Solution

The fourth proportional to 132,118,505.20, 185,348,544.80 and 132,118,505.20 is: 185,348,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,118,505.20 : 185,348,544.80 = 132,118,505.20 : x
  2. Step 2: Convert to fraction form
    132,118,505.20/185,348,544.80 = 132,118,505.20/x
  3. Step 3: Cross multiply
    132,118,505.20x = 185,348,544.80 × 132,118,505.20
  4. Step 4: Simplify right side
    132,118,505.20x = 24,487,972,679,971,236
  5. Step 5: Solve for x
    x = 24,487,972,679,971,236/132,118,505.20
  6. Step 6: Final answer
    x = 185,348,544.80

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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.