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Finding the Fourth Proportional to 159,213.60, 238,820.40 and 112,557.60

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Solution

The fourth proportional to 159,213.60, 238,820.40 and 112,557.60 is: 168,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,213.60 : 238,820.40 = 112,557.60 : x
  2. Step 2: Convert to fraction form
    159,213.60/238,820.40 = 112,557.60/x
  3. Step 3: Cross multiply
    159,213.60x = 238,820.40 × 112,557.60
  4. Step 4: Simplify right side
    159,213.60x = 26,881,051,055.04
  5. Step 5: Solve for x
    x = 26,881,051,055.04/159,213.60
  6. Step 6: Final answer
    x = 168,836.40

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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.