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Finding the Fourth Proportional to 162,716.48, 224,569.92 and 91,123.84

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Solution

The fourth proportional to 162,716.48, 224,569.92 and 91,123.84 is: 125,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,716.48 : 224,569.92 = 91,123.84 : x
  2. Step 2: Convert to fraction form
    162,716.48/224,569.92 = 91,123.84/x
  3. Step 3: Cross multiply
    162,716.48x = 224,569.92 × 91,123.84
  4. Step 4: Simplify right side
    162,716.48x = 20,463,673,458.89
  5. Step 5: Solve for x
    x = 20,463,673,458.89/162,716.48
  6. Step 6: Final answer
    x = 125,762.76

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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.