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Finding the Fourth Proportional to 146,670.52, 202,405.30 and 79,602.52

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Solution

The fourth proportional to 146,670.52, 202,405.30 and 79,602.52 is: 109,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,670.52 : 202,405.30 = 79,602.52 : x
  2. Step 2: Convert to fraction form
    146,670.52/202,405.30 = 79,602.52/x
  3. Step 3: Cross multiply
    146,670.52x = 202,405.30 × 79,602.52
  4. Step 4: Simplify right side
    146,670.52x = 16,111,971,941.36
  5. Step 5: Solve for x
    x = 16,111,971,941.36/146,670.52
  6. Step 6: Final answer
    x = 109,851.47

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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.