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Finding the Fourth Proportional to 188,624.60, 260,303.70 and 102,584.40

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Solution

The fourth proportional to 188,624.60, 260,303.70 and 102,584.40 is: 141,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,624.60 : 260,303.70 = 102,584.40 : x
  2. Step 2: Convert to fraction form
    188,624.60/260,303.70 = 102,584.40/x
  3. Step 3: Cross multiply
    188,624.60x = 260,303.70 × 102,584.40
  4. Step 4: Simplify right side
    188,624.60x = 26,703,098,201.86
  5. Step 5: Solve for x
    x = 26,703,098,201.86/188,624.60
  6. Step 6: Final answer
    x = 141,567.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.