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Finding the Fourth Proportional to 162,776.40, 224,644.68 and 93,888.24

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Solution

The fourth proportional to 162,776.40, 224,644.68 and 93,888.24 is: 129,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,776.40 : 224,644.68 = 93,888.24 : x
  2. Step 2: Convert to fraction form
    162,776.40/224,644.68 = 93,888.24/x
  3. Step 3: Cross multiply
    162,776.40x = 224,644.68 × 93,888.24
  4. Step 4: Simplify right side
    162,776.40x = 21,091,493,630.56
  5. Step 5: Solve for x
    x = 21,091,493,630.56/162,776.40
  6. Step 6: Final answer
    x = 129,573.41

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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.