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Finding the Fourth Proportional to 93,671.72, 129,267.07 and 51,230.35

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Solution

The fourth proportional to 93,671.72, 129,267.07 and 51,230.35 is: 70,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,671.72 : 129,267.07 = 51,230.35 : x
  2. Step 2: Convert to fraction form
    93,671.72/129,267.07 = 51,230.35/x
  3. Step 3: Cross multiply
    93,671.72x = 129,267.07 × 51,230.35
  4. Step 4: Simplify right side
    93,671.72x = 6,622,397,561.25
  5. Step 5: Solve for x
    x = 6,622,397,561.25/93,671.72
  6. Step 6: Final answer
    x = 70,697.94

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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.