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Finding the Fourth Proportional to 363,767.76, 545,652.72 and 127,110.48

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Solution

The fourth proportional to 363,767.76, 545,652.72 and 127,110.48 is: 190,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,767.76 : 545,652.72 = 127,110.48 : x
  2. Step 2: Convert to fraction form
    363,767.76/545,652.72 = 127,110.48/x
  3. Step 3: Cross multiply
    363,767.76x = 545,652.72 × 127,110.48
  4. Step 4: Simplify right side
    363,767.76x = 69,358,179,152.51
  5. Step 5: Solve for x
    x = 69,358,179,152.51/363,767.76
  6. Step 6: Final answer
    x = 190,666.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.