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Finding the Fourth Proportional to 73,124.33, 100,916.25 and 42,898.64

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Solution

The fourth proportional to 73,124.33, 100,916.25 and 42,898.64 is: 59,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,124.33 : 100,916.25 = 42,898.64 : x
  2. Step 2: Convert to fraction form
    73,124.33/100,916.25 = 42,898.64/x
  3. Step 3: Cross multiply
    73,124.33x = 100,916.25 × 42,898.64
  4. Step 4: Simplify right side
    73,124.33x = 4,329,169,213.45
  5. Step 5: Solve for x
    x = 4,329,169,213.45/73,124.33
  6. Step 6: Final answer
    x = 59,202.86

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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.