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Finding the Fourth Proportional to 104,508.64, 144,222.96 and 56,762.48

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Solution

The fourth proportional to 104,508.64, 144,222.96 and 56,762.48 is: 78,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,508.64 : 144,222.96 = 56,762.48 : x
  2. Step 2: Convert to fraction form
    104,508.64/144,222.96 = 56,762.48/x
  3. Step 3: Cross multiply
    104,508.64x = 144,222.96 × 56,762.48
  4. Step 4: Simplify right side
    104,508.64x = 8,186,452,882.54
  5. Step 5: Solve for x
    x = 8,186,452,882.54/104,508.64
  6. Step 6: Final answer
    x = 78,332.79

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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.