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Finding the Fourth Proportional to 178,802.64, 246,746.62 and 98,228.43

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Solution

The fourth proportional to 178,802.64, 246,746.62 and 98,228.43 is: 135,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,802.64 : 246,746.62 = 98,228.43 : x
  2. Step 2: Convert to fraction form
    178,802.64/246,746.62 = 98,228.43/x
  3. Step 3: Cross multiply
    178,802.64x = 246,746.62 × 98,228.43
  4. Step 4: Simplify right side
    178,802.64x = 24,237,533,213.19
  5. Step 5: Solve for x
    x = 24,237,533,213.19/178,802.64
  6. Step 6: Final answer
    x = 135,554.67

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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.