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Finding the Fourth Proportional to 82,701.48, 114,110.48 and 48,697.57

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Solution

The fourth proportional to 82,701.48, 114,110.48 and 48,697.57 is: 67,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,701.48 : 114,110.48 = 48,697.57 : x
  2. Step 2: Convert to fraction form
    82,701.48/114,110.48 = 48,697.57/x
  3. Step 3: Cross multiply
    82,701.48x = 114,110.48 × 48,697.57
  4. Step 4: Simplify right side
    82,701.48x = 5,556,902,924.00
  5. Step 5: Solve for x
    x = 5,556,902,924.00/82,701.48
  6. Step 6: Final answer
    x = 67,192.30

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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.