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Finding the Fourth Proportional to 118,096,039.20, 177,144,058.80 and 118,096,039.20

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Solution

The fourth proportional to 118,096,039.20, 177,144,058.80 and 118,096,039.20 is: 177,144,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,096,039.20 : 177,144,058.80 = 118,096,039.20 : x
  2. Step 2: Convert to fraction form
    118,096,039.20/177,144,058.80 = 118,096,039.20/x
  3. Step 3: Cross multiply
    118,096,039.20x = 177,144,058.80 × 118,096,039.20
  4. Step 4: Simplify right side
    118,096,039.20x = 20,920,011,712,091,908
  5. Step 5: Solve for x
    x = 20,920,011,712,091,908/118,096,039.20
  6. Step 6: Final answer
    x = 177,144,058.80

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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.