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Finding the Fourth Proportional to 127,334,424.80, 191,001,637.20 and 127,334,424.80

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Solution

The fourth proportional to 127,334,424.80, 191,001,637.20 and 127,334,424.80 is: 191,001,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,334,424.80 : 191,001,637.20 = 127,334,424.80 : x
  2. Step 2: Convert to fraction form
    127,334,424.80/191,001,637.20 = 127,334,424.80/x
  3. Step 3: Cross multiply
    127,334,424.80x = 191,001,637.20 × 127,334,424.80
  4. Step 4: Simplify right side
    127,334,424.80x = 24,321,083,608,720,280
  5. Step 5: Solve for x
    x = 24,321,083,608,720,280/127,334,424.80
  6. Step 6: Final answer
    x = 191,001,637.20

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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.