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Finding the Fourth Proportional to 178,253.39, 245,989.91 and 97,683.86

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Solution

The fourth proportional to 178,253.39, 245,989.91 and 97,683.86 is: 134,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,253.39 : 245,989.91 = 97,683.86 : x
  2. Step 2: Convert to fraction form
    178,253.39/245,989.91 = 97,683.86/x
  3. Step 3: Cross multiply
    178,253.39x = 245,989.91 × 97,683.86
  4. Step 4: Simplify right side
    178,253.39x = 24,029,242,211.48
  5. Step 5: Solve for x
    x = 24,029,242,211.48/178,253.39
  6. Step 6: Final answer
    x = 134,803.85

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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.