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Finding the Fourth Proportional to 132,657.60, 186,187.20 and 132,657.60

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Solution

The fourth proportional to 132,657.60, 186,187.20 and 132,657.60 is: 186,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,657.60 : 186,187.20 = 132,657.60 : x
  2. Step 2: Convert to fraction form
    132,657.60/186,187.20 = 132,657.60/x
  3. Step 3: Cross multiply
    132,657.60x = 186,187.20 × 132,657.60
  4. Step 4: Simplify right side
    132,657.60x = 24,699,147,102.72
  5. Step 5: Solve for x
    x = 24,699,147,102.72/132,657.60
  6. Step 6: Final answer
    x = 186,187.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.