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Finding the Fourth Proportional to 92,998.51, 128,332.52 and 50,556.67

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Solution

The fourth proportional to 92,998.51, 128,332.52 and 50,556.67 is: 69,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,998.51 : 128,332.52 = 50,556.67 : x
  2. Step 2: Convert to fraction form
    92,998.51/128,332.52 = 50,556.67/x
  3. Step 3: Cross multiply
    92,998.51x = 128,332.52 × 50,556.67
  4. Step 4: Simplify right side
    92,998.51x = 6,488,064,479.88
  5. Step 5: Solve for x
    x = 6,488,064,479.88/92,998.51
  6. Step 6: Final answer
    x = 69,765.25

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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.