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Finding the Fourth Proportional to 178,609.32, 246,480 and 98,038.22

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Solution

The fourth proportional to 178,609.32, 246,480 and 98,038.22 is: 135,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,609.32 : 246,480 = 98,038.22 : x
  2. Step 2: Convert to fraction form
    178,609.32/246,480 = 98,038.22/x
  3. Step 3: Cross multiply
    178,609.32x = 246,480 × 98,038.22
  4. Step 4: Simplify right side
    178,609.32x = 24,164,460,465.60
  5. Step 5: Solve for x
    x = 24,164,460,465.60/178,609.32
  6. Step 6: Final answer
    x = 135,292.27

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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.