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Finding the Fourth Proportional to 178,012.43, 245,657.52 and 97,445.10

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Solution

The fourth proportional to 178,012.43, 245,657.52 and 97,445.10 is: 134,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,012.43 : 245,657.52 = 97,445.10 : x
  2. Step 2: Convert to fraction form
    178,012.43/245,657.52 = 97,445.10/x
  3. Step 3: Cross multiply
    178,012.43x = 245,657.52 × 97,445.10
  4. Step 4: Simplify right side
    178,012.43x = 23,938,121,602.15
  5. Step 5: Solve for x
    x = 23,938,121,602.15/178,012.43
  6. Step 6: Final answer
    x = 134,474.44

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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.