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Finding the Fourth Proportional to 98,950.98, 136,551.30 and 53,629.06

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Solution

The fourth proportional to 98,950.98, 136,551.30 and 53,629.06 is: 74,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,950.98 : 136,551.30 = 53,629.06 : x
  2. Step 2: Convert to fraction form
    98,950.98/136,551.30 = 53,629.06/x
  3. Step 3: Cross multiply
    98,950.98x = 136,551.30 × 53,629.06
  4. Step 4: Simplify right side
    98,950.98x = 7,323,117,860.78
  5. Step 5: Solve for x
    x = 7,323,117,860.78/98,950.98
  6. Step 6: Final answer
    x = 74,007.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.