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Finding the Fourth Proportional to 351,133.32, 526,606.02 and 98,399.64

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Solution

The fourth proportional to 351,133.32, 526,606.02 and 98,399.64 is: 147,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,133.32 : 526,606.02 = 98,399.64 : x
  2. Step 2: Convert to fraction form
    351,133.32/526,606.02 = 98,399.64/x
  3. Step 3: Cross multiply
    351,133.32x = 526,606.02 × 98,399.64
  4. Step 4: Simplify right side
    351,133.32x = 51,817,842,789.83
  5. Step 5: Solve for x
    x = 51,817,842,789.83/351,133.32
  6. Step 6: Final answer
    x = 147,573.13

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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.