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Finding the Fourth Proportional to 364,763.52, 547,037.28 and 128,062.08

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Solution

The fourth proportional to 364,763.52, 547,037.28 and 128,062.08 is: 192,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,763.52 : 547,037.28 = 128,062.08 : x
  2. Step 2: Convert to fraction form
    364,763.52/547,037.28 = 128,062.08/x
  3. Step 3: Cross multiply
    364,763.52x = 547,037.28 × 128,062.08
  4. Step 4: Simplify right side
    364,763.52x = 70,054,731,914.34
  5. Step 5: Solve for x
    x = 70,054,731,914.34/364,763.52
  6. Step 6: Final answer
    x = 192,055.20

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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.