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Finding the Fourth Proportional to 110,506.64, 165,808.96 and 57,903.60

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Solution

The fourth proportional to 110,506.64, 165,808.96 and 57,903.60 is: 86,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,506.64 : 165,808.96 = 57,903.60 : x
  2. Step 2: Convert to fraction form
    110,506.64/165,808.96 = 57,903.60/x
  3. Step 3: Cross multiply
    110,506.64x = 165,808.96 × 57,903.60
  4. Step 4: Simplify right side
    110,506.64x = 9,600,935,696.26
  5. Step 5: Solve for x
    x = 9,600,935,696.26/110,506.64
  6. Step 6: Final answer
    x = 86,881.08

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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.