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Finding the Fourth Proportional to 358,208.56, 537,293.40 and 108,871.12

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Solution

The fourth proportional to 358,208.56, 537,293.40 and 108,871.12 is: 163,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,208.56 : 537,293.40 = 108,871.12 : x
  2. Step 2: Convert to fraction form
    358,208.56/537,293.40 = 108,871.12/x
  3. Step 3: Cross multiply
    358,208.56x = 537,293.40 × 108,871.12
  4. Step 4: Simplify right side
    358,208.56x = 58,495,734,226.61
  5. Step 5: Solve for x
    x = 58,495,734,226.61/358,208.56
  6. Step 6: Final answer
    x = 163,300.77

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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.