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Finding the Fourth Proportional to 162,672.48, 224,628.12 and 102,343.68

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Solution

The fourth proportional to 162,672.48, 224,628.12 and 102,343.68 is: 141,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,672.48 : 224,628.12 = 102,343.68 : x
  2. Step 2: Convert to fraction form
    162,672.48/224,628.12 = 102,343.68/x
  3. Step 3: Cross multiply
    162,672.48x = 224,628.12 × 102,343.68
  4. Step 4: Simplify right side
    162,672.48x = 22,989,268,432.28
  5. Step 5: Solve for x
    x = 22,989,268,432.28/162,672.48
  6. Step 6: Final answer
    x = 141,322.42

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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.