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Finding the Fourth Proportional to 178,703.81, 246,615.55 and 97,035.53

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Solution

The fourth proportional to 178,703.81, 246,615.55 and 97,035.53 is: 133,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,703.81 : 246,615.55 = 97,035.53 : x
  2. Step 2: Convert to fraction form
    178,703.81/246,615.55 = 97,035.53/x
  3. Step 3: Cross multiply
    178,703.81x = 246,615.55 × 97,035.53
  4. Step 4: Simplify right side
    178,703.81x = 23,930,470,600.49
  5. Step 5: Solve for x
    x = 23,930,470,600.49/178,703.81
  6. Step 6: Final answer
    x = 133,911.36

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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.