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Finding the Fourth Proportional to 147,235.44, 220,848.66 and 42,054.60

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Solution

The fourth proportional to 147,235.44, 220,848.66 and 42,054.60 is: 63,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,235.44 : 220,848.66 = 42,054.60 : x
  2. Step 2: Convert to fraction form
    147,235.44/220,848.66 = 42,054.60/x
  3. Step 3: Cross multiply
    147,235.44x = 220,848.66 × 42,054.60
  4. Step 4: Simplify right side
    147,235.44x = 9,287,702,056.84
  5. Step 5: Solve for x
    x = 9,287,702,056.84/147,235.44
  6. Step 6: Final answer
    x = 63,080.61

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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.