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Finding the Fourth Proportional to 358,134.80, 537,202.20 and 108,784.40

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Solution

The fourth proportional to 358,134.80, 537,202.20 and 108,784.40 is: 163,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,134.80 : 537,202.20 = 108,784.40 : x
  2. Step 2: Convert to fraction form
    358,134.80/537,202.20 = 108,784.40/x
  3. Step 3: Cross multiply
    358,134.80x = 537,202.20 × 108,784.40
  4. Step 4: Simplify right side
    358,134.80x = 58,439,219,005.68
  5. Step 5: Solve for x
    x = 58,439,219,005.68/358,134.80
  6. Step 6: Final answer
    x = 163,176.60

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1.5x scale

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.