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Finding the Fourth Proportional to 178,365, 246,144.40 and 97,793.76

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Solution

The fourth proportional to 178,365, 246,144.40 and 97,793.76 is: 134,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,365 : 246,144.40 = 97,793.76 : x
  2. Step 2: Convert to fraction form
    178,365/246,144.40 = 97,793.76/x
  3. Step 3: Cross multiply
    178,365x = 246,144.40 × 97,793.76
  4. Step 4: Simplify right side
    178,365x = 24,071,386,378.94
  5. Step 5: Solve for x
    x = 24,071,386,378.94/178,365
  6. Step 6: Final answer
    x = 134,955.77

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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.