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Finding the Fourth Proportional to 186,572.96, 280,189.92 and 171,746.72

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Solution

The fourth proportional to 186,572.96, 280,189.92 and 171,746.72 is: 257,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,572.96 : 280,189.92 = 171,746.72 : x
  2. Step 2: Convert to fraction form
    186,572.96/280,189.92 = 171,746.72/x
  3. Step 3: Cross multiply
    186,572.96x = 280,189.92 × 171,746.72
  4. Step 4: Simplify right side
    186,572.96x = 48,121,699,737.06
  5. Step 5: Solve for x
    x = 48,121,699,737.06/186,572.96
  6. Step 6: Final answer
    x = 257,924.30

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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.