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Finding the Fourth Proportional to 153,378.58, 230,123.24 and 53,553.48

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Solution

The fourth proportional to 153,378.58, 230,123.24 and 53,553.48 is: 80,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,378.58 : 230,123.24 = 53,553.48 : x
  2. Step 2: Convert to fraction form
    153,378.58/230,123.24 = 53,553.48/x
  3. Step 3: Cross multiply
    153,378.58x = 230,123.24 × 53,553.48
  4. Step 4: Simplify right side
    153,378.58x = 12,323,900,063.11
  5. Step 5: Solve for x
    x = 12,323,900,063.11/153,378.58
  6. Step 6: Final answer
    x = 80,349.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.