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Finding the Fourth Proportional to 98,650,233.60, 138,337,075.20 and 98,650,233.60

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Solution

The fourth proportional to 98,650,233.60, 138,337,075.20 and 98,650,233.60 is: 138,337,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,650,233.60 : 138,337,075.20 = 98,650,233.60 : x
  2. Step 2: Convert to fraction form
    98,650,233.60/138,337,075.20 = 98,650,233.60/x
  3. Step 3: Cross multiply
    98,650,233.60x = 138,337,075.20 × 98,650,233.60
  4. Step 4: Simplify right side
    98,650,233.60x = 13,646,984,784,020,764
  5. Step 5: Solve for x
    x = 13,646,984,784,020,764/98,650,233.60
  6. Step 6: Final answer
    x = 138,337,075.20

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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.