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Finding the Fourth Proportional to 96,752.60, 133,501.74 and 54,312.92

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Solution

The fourth proportional to 96,752.60, 133,501.74 and 54,312.92 is: 74,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,752.60 : 133,501.74 = 54,312.92 : x
  2. Step 2: Convert to fraction form
    96,752.60/133,501.74 = 54,312.92/x
  3. Step 3: Cross multiply
    96,752.60x = 133,501.74 × 54,312.92
  4. Step 4: Simplify right side
    96,752.60x = 7,250,869,324.48
  5. Step 5: Solve for x
    x = 7,250,869,324.48/96,752.60
  6. Step 6: Final answer
    x = 74,942.37

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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.