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Finding the Fourth Proportional to 178,012.80, 245,658.04 and 97,445.48

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Solution

The fourth proportional to 178,012.80, 245,658.04 and 97,445.48 is: 134,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,012.80 : 245,658.04 = 97,445.48 : x
  2. Step 2: Convert to fraction form
    178,012.80/245,658.04 = 97,445.48/x
  3. Step 3: Cross multiply
    178,012.80x = 245,658.04 × 97,445.48
  4. Step 4: Simplify right side
    178,012.80x = 23,938,265,623.66
  5. Step 5: Solve for x
    x = 23,938,265,623.66/178,012.80
  6. Step 6: Final answer
    x = 134,474.97

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1.5x scale

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.