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Finding the Fourth Proportional to 182,411.60, 251,708.85 and 105,915.74

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Solution

The fourth proportional to 182,411.60, 251,708.85 and 105,915.74 is: 146,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,411.60 : 251,708.85 = 105,915.74 : x
  2. Step 2: Convert to fraction form
    182,411.60/251,708.85 = 105,915.74/x
  3. Step 3: Cross multiply
    182,411.60x = 251,708.85 × 105,915.74
  4. Step 4: Simplify right side
    182,411.60x = 26,659,927,853.75
  5. Step 5: Solve for x
    x = 26,659,927,853.75/182,411.60
  6. Step 6: Final answer
    x = 146,152.59

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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.