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Finding the Fourth Proportional to 80,176.78, 110,655.68 and 46,178.72

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Solution

The fourth proportional to 80,176.78, 110,655.68 and 46,178.72 is: 63,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,176.78 : 110,655.68 = 46,178.72 : x
  2. Step 2: Convert to fraction form
    80,176.78/110,655.68 = 46,178.72/x
  3. Step 3: Cross multiply
    80,176.78x = 110,655.68 × 46,178.72
  4. Step 4: Simplify right side
    80,176.78x = 5,109,937,663.13
  5. Step 5: Solve for x
    x = 5,109,937,663.13/80,176.78
  6. Step 6: Final answer
    x = 63,733.39

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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.