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Finding the Fourth Proportional to 134,671.70, 185,848.24 and 74,244.70

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Solution

The fourth proportional to 134,671.70, 185,848.24 and 74,244.70 is: 102,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,671.70 : 185,848.24 = 74,244.70 : x
  2. Step 2: Convert to fraction form
    134,671.70/185,848.24 = 74,244.70/x
  3. Step 3: Cross multiply
    134,671.70x = 185,848.24 × 74,244.70
  4. Step 4: Simplify right side
    134,671.70x = 13,798,246,824.33
  5. Step 5: Solve for x
    x = 13,798,246,824.33/134,671.70
  6. Step 6: Final answer
    x = 102,458.40

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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.