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Finding the Fourth Proportional to 98,307.50, 135,625.84 and 60,516.14

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Solution

The fourth proportional to 98,307.50, 135,625.84 and 60,516.14 is: 83,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,307.50 : 135,625.84 = 60,516.14 : x
  2. Step 2: Convert to fraction form
    98,307.50/135,625.84 = 60,516.14/x
  3. Step 3: Cross multiply
    98,307.50x = 135,625.84 × 60,516.14
  4. Step 4: Simplify right side
    98,307.50x = 8,207,552,321.06
  5. Step 5: Solve for x
    x = 8,207,552,321.06/98,307.50
  6. Step 6: Final answer
    x = 83,488.57

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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.