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Finding the Fourth Proportional to 176,984.64, 265,468.32 and 66,168

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Solution

The fourth proportional to 176,984.64, 265,468.32 and 66,168 is: 99,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,984.64 : 265,468.32 = 66,168 : x
  2. Step 2: Convert to fraction form
    176,984.64/265,468.32 = 66,168/x
  3. Step 3: Cross multiply
    176,984.64x = 265,468.32 × 66,168
  4. Step 4: Simplify right side
    176,984.64x = 17,565,507,797.76
  5. Step 5: Solve for x
    x = 17,565,507,797.76/176,984.64
  6. Step 6: Final answer
    x = 99,248.77

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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.