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Finding the Fourth Proportional to 127,371,700.80, 191,057,551.20 and 127,371,700.80

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Solution

The fourth proportional to 127,371,700.80, 191,057,551.20 and 127,371,700.80 is: 191,057,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,371,700.80 : 191,057,551.20 = 127,371,700.80 : x
  2. Step 2: Convert to fraction form
    127,371,700.80/191,057,551.20 = 127,371,700.80/x
  3. Step 3: Cross multiply
    127,371,700.80x = 191,057,551.20 × 127,371,700.80
  4. Step 4: Simplify right side
    127,371,700.80x = 24,335,325,247,027,080
  5. Step 5: Solve for x
    x = 24,335,325,247,027,080/127,371,700.80
  6. Step 6: Final answer
    x = 191,057,551.20

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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.