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Finding the Fourth Proportional to 98,332.96, 135,699.20 and 55,899.67

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Solution

The fourth proportional to 98,332.96, 135,699.20 and 55,899.67 is: 77,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,332.96 : 135,699.20 = 55,899.67 : x
  2. Step 2: Convert to fraction form
    98,332.96/135,699.20 = 55,899.67/x
  3. Step 3: Cross multiply
    98,332.96x = 135,699.20 × 55,899.67
  4. Step 4: Simplify right side
    98,332.96x = 7,585,540,219.77
  5. Step 5: Solve for x
    x = 7,585,540,219.77/98,332.96
  6. Step 6: Final answer
    x = 77,141.38

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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.