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Finding the Fourth Proportional to 64,114.80, 96,287.40 and 62,041.20

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Solution

The fourth proportional to 64,114.80, 96,287.40 and 62,041.20 is: 93,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,114.80 : 96,287.40 = 62,041.20 : x
  2. Step 2: Convert to fraction form
    64,114.80/96,287.40 = 62,041.20/x
  3. Step 3: Cross multiply
    64,114.80x = 96,287.40 × 62,041.20
  4. Step 4: Simplify right side
    64,114.80x = 5,973,785,840.88
  5. Step 5: Solve for x
    x = 5,973,785,840.88/64,114.80
  6. Step 6: Final answer
    x = 93,173.27

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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.