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Finding the Fourth Proportional to 358,060.92, 537,077.56 and 121,403.64

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Solution

The fourth proportional to 358,060.92, 537,077.56 and 121,403.64 is: 182,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,060.92 : 537,077.56 = 121,403.64 : x
  2. Step 2: Convert to fraction form
    358,060.92/537,077.56 = 121,403.64/x
  3. Step 3: Cross multiply
    358,060.92x = 537,077.56 × 121,403.64
  4. Step 4: Simplify right side
    358,060.92x = 65,203,170,746.32
  5. Step 5: Solve for x
    x = 65,203,170,746.32/358,060.92
  6. Step 6: Final answer
    x = 182,100.77

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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.