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Finding the Fourth Proportional to 178,187.67, 245,905.11 and 97,615.17

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Solution

The fourth proportional to 178,187.67, 245,905.11 and 97,615.17 is: 134,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,187.67 : 245,905.11 = 97,615.17 : x
  2. Step 2: Convert to fraction form
    178,187.67/245,905.11 = 97,615.17/x
  3. Step 3: Cross multiply
    178,187.67x = 245,905.11 × 97,615.17
  4. Step 4: Simplify right side
    178,187.67x = 24,004,069,116.52
  5. Step 5: Solve for x
    x = 24,004,069,116.52/178,187.67
  6. Step 6: Final answer
    x = 134,712.29

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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.