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Finding the Fourth Proportional to 178,925.28, 246,916.92 and 98,358

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Solution

The fourth proportional to 178,925.28, 246,916.92 and 98,358 is: 135,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,925.28 : 246,916.92 = 98,358 : x
  2. Step 2: Convert to fraction form
    178,925.28/246,916.92 = 98,358/x
  3. Step 3: Cross multiply
    178,925.28x = 246,916.92 × 98,358
  4. Step 4: Simplify right side
    178,925.28x = 24,286,254,417.36
  5. Step 5: Solve for x
    x = 24,286,254,417.36/178,925.28
  6. Step 6: Final answer
    x = 135,734.06

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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.