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Finding the Fourth Proportional to 351,060.32, 526,509.12 and 98,358.56

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Solution

The fourth proportional to 351,060.32, 526,509.12 and 98,358.56 is: 147,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,060.32 : 526,509.12 = 98,358.56 : x
  2. Step 2: Convert to fraction form
    351,060.32/526,509.12 = 98,358.56/x
  3. Step 3: Cross multiply
    351,060.32x = 526,509.12 × 98,358.56
  4. Step 4: Simplify right side
    351,060.32x = 51,786,678,870.07
  5. Step 5: Solve for x
    x = 51,786,678,870.07/351,060.32
  6. Step 6: Final answer
    x = 147,515.04

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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.