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Finding the Fourth Proportional to 103,425.64, 155,100.14 and 36,848.10

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Solution

The fourth proportional to 103,425.64, 155,100.14 and 36,848.10 is: 55,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,425.64 : 155,100.14 = 36,848.10 : x
  2. Step 2: Convert to fraction form
    103,425.64/155,100.14 = 36,848.10/x
  3. Step 3: Cross multiply
    103,425.64x = 155,100.14 × 36,848.10
  4. Step 4: Simplify right side
    103,425.64x = 5,715,145,468.73
  5. Step 5: Solve for x
    x = 5,715,145,468.73/103,425.64
  6. Step 6: Final answer
    x = 55,258.50

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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.