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Finding the Fourth Proportional to 174,671.64, 241,269.66 and 129,432.60

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Solution

The fourth proportional to 174,671.64, 241,269.66 and 129,432.60 is: 178,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,671.64 : 241,269.66 = 129,432.60 : x
  2. Step 2: Convert to fraction form
    174,671.64/241,269.66 = 129,432.60/x
  3. Step 3: Cross multiply
    174,671.64x = 241,269.66 × 129,432.60
  4. Step 4: Simplify right side
    174,671.64x = 31,228,159,394.92
  5. Step 5: Solve for x
    x = 31,228,159,394.92/174,671.64
  6. Step 6: Final answer
    x = 178,782.08

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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.