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Finding the Fourth Proportional to 118,900.52, 178,368.06 and 63,466.28

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Solution

The fourth proportional to 118,900.52, 178,368.06 and 63,466.28 is: 95,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,900.52 : 178,368.06 = 63,466.28 : x
  2. Step 2: Convert to fraction form
    118,900.52/178,368.06 = 63,466.28/x
  3. Step 3: Cross multiply
    118,900.52x = 178,368.06 × 63,466.28
  4. Step 4: Simplify right side
    118,900.52x = 11,320,357,239.02
  5. Step 5: Solve for x
    x = 11,320,357,239.02/118,900.52
  6. Step 6: Final answer
    x = 95,208.64

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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.