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Finding the Fourth Proportional to 98,773.56, 136,307.52 and 53,451.54

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Solution

The fourth proportional to 98,773.56, 136,307.52 and 53,451.54 is: 73,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,773.56 : 136,307.52 = 53,451.54 : x
  2. Step 2: Convert to fraction form
    98,773.56/136,307.52 = 53,451.54/x
  3. Step 3: Cross multiply
    98,773.56x = 136,307.52 × 53,451.54
  4. Step 4: Simplify right side
    98,773.56x = 7,285,847,064.72
  5. Step 5: Solve for x
    x = 7,285,847,064.72/98,773.56
  6. Step 6: Final answer
    x = 73,763.13

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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.