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Finding the Fourth Proportional to 178,488.54, 246,314.58 and 97,916.76

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Solution

The fourth proportional to 178,488.54, 246,314.58 and 97,916.76 is: 135,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,488.54 : 246,314.58 = 97,916.76 : x
  2. Step 2: Convert to fraction form
    178,488.54/246,314.58 = 97,916.76/x
  3. Step 3: Cross multiply
    178,488.54x = 246,314.58 × 97,916.76
  4. Step 4: Simplify right side
    178,488.54x = 24,118,325,614.36
  5. Step 5: Solve for x
    x = 24,118,325,614.36/178,488.54
  6. Step 6: Final answer
    x = 135,125.35

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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.