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Finding the Fourth Proportional to 110,008.80, 165,056.40 and 43,437.60

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Solution

The fourth proportional to 110,008.80, 165,056.40 and 43,437.60 is: 65,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,008.80 : 165,056.40 = 43,437.60 : x
  2. Step 2: Convert to fraction form
    110,008.80/165,056.40 = 43,437.60/x
  3. Step 3: Cross multiply
    110,008.80x = 165,056.40 × 43,437.60
  4. Step 4: Simplify right side
    110,008.80x = 7,169,653,880.64
  5. Step 5: Solve for x
    x = 7,169,653,880.64/110,008.80
  6. Step 6: Final answer
    x = 65,173.46

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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.