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Finding the Fourth Proportional to 178,009.76, 245,659.70 and 97,437.34

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Solution

The fourth proportional to 178,009.76, 245,659.70 and 97,437.34 is: 134,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,009.76 : 245,659.70 = 97,437.34 : x
  2. Step 2: Convert to fraction form
    178,009.76/245,659.70 = 97,437.34/x
  3. Step 3: Cross multiply
    178,009.76x = 245,659.70 × 97,437.34
  4. Step 4: Simplify right side
    178,009.76x = 23,936,427,713.20
  5. Step 5: Solve for x
    x = 23,936,427,713.20/178,009.76
  6. Step 6: Final answer
    x = 134,466.94

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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.