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Finding the Fourth Proportional to 127,232.40, 190,848.60 and 73,869.60

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Solution

The fourth proportional to 127,232.40, 190,848.60 and 73,869.60 is: 110,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,232.40 : 190,848.60 = 73,869.60 : x
  2. Step 2: Convert to fraction form
    127,232.40/190,848.60 = 73,869.60/x
  3. Step 3: Cross multiply
    127,232.40x = 190,848.60 × 73,869.60
  4. Step 4: Simplify right side
    127,232.40x = 14,097,909,742.56
  5. Step 5: Solve for x
    x = 14,097,909,742.56/127,232.40
  6. Step 6: Final answer
    x = 110,804.40

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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.