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Finding the Fourth Proportional to 64,179, 96,307.38 and 27,243

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Solution

The fourth proportional to 64,179, 96,307.38 and 27,243 is: 40,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,179 : 96,307.38 = 27,243 : x
  2. Step 2: Convert to fraction form
    64,179/96,307.38 = 27,243/x
  3. Step 3: Cross multiply
    64,179x = 96,307.38 × 27,243
  4. Step 4: Simplify right side
    64,179x = 2,623,701,953.34
  5. Step 5: Solve for x
    x = 2,623,701,953.34/64,179
  6. Step 6: Final answer
    x = 40,881.00

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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.