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Finding the Fourth Proportional to 122,637.60, 183,956.40 and 110,973.60

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Solution

The fourth proportional to 122,637.60, 183,956.40 and 110,973.60 is: 166,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,637.60 : 183,956.40 = 110,973.60 : x
  2. Step 2: Convert to fraction form
    122,637.60/183,956.40 = 110,973.60/x
  3. Step 3: Cross multiply
    122,637.60x = 183,956.40 × 110,973.60
  4. Step 4: Simplify right side
    122,637.60x = 20,414,303,951.04
  5. Step 5: Solve for x
    x = 20,414,303,951.04/122,637.60
  6. Step 6: Final answer
    x = 166,460.40

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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.