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Finding the Fourth Proportional to 94,762.68, 130,772.44 and 54,484.32

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Solution

The fourth proportional to 94,762.68, 130,772.44 and 54,484.32 is: 75,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,762.68 : 130,772.44 = 54,484.32 : x
  2. Step 2: Convert to fraction form
    94,762.68/130,772.44 = 54,484.32/x
  3. Step 3: Cross multiply
    94,762.68x = 130,772.44 × 54,484.32
  4. Step 4: Simplify right side
    94,762.68x = 7,125,047,468.14
  5. Step 5: Solve for x
    x = 7,125,047,468.14/94,762.68
  6. Step 6: Final answer
    x = 75,188.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.