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Finding the Fourth Proportional to 127,333,871.55, 191,000,807.33 and 127,333,871.55

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Solution

The fourth proportional to 127,333,871.55, 191,000,807.33 and 127,333,871.55 is: 191,000,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,333,871.55 : 191,000,807.33 = 127,333,871.55 : x
  2. Step 2: Convert to fraction form
    127,333,871.55/191,000,807.33 = 127,333,871.55/x
  3. Step 3: Cross multiply
    127,333,871.55x = 191,000,807.33 × 127,333,871.55
  4. Step 4: Simplify right side
    127,333,871.55x = 24,320,872,265,867,848
  5. Step 5: Solve for x
    x = 24,320,872,265,867,848/127,333,871.55
  6. Step 6: Final answer
    x = 191,000,807.33

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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.