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Finding the Fourth Proportional to 195,416.40, 293,124.60 and 125,432.40

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Solution

The fourth proportional to 195,416.40, 293,124.60 and 125,432.40 is: 188,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,416.40 : 293,124.60 = 125,432.40 : x
  2. Step 2: Convert to fraction form
    195,416.40/293,124.60 = 125,432.40/x
  3. Step 3: Cross multiply
    195,416.40x = 293,124.60 × 125,432.40
  4. Step 4: Simplify right side
    195,416.40x = 36,767,322,077.04
  5. Step 5: Solve for x
    x = 36,767,322,077.04/195,416.40
  6. Step 6: Final answer
    x = 188,148.60

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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.