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Finding the Fourth Proportional to 153,245.64, 229,870.92 and 48,065.52

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Solution

The fourth proportional to 153,245.64, 229,870.92 and 48,065.52 is: 72,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,245.64 : 229,870.92 = 48,065.52 : x
  2. Step 2: Convert to fraction form
    153,245.64/229,870.92 = 48,065.52/x
  3. Step 3: Cross multiply
    153,245.64x = 229,870.92 × 48,065.52
  4. Step 4: Simplify right side
    153,245.64x = 11,048,865,302.68
  5. Step 5: Solve for x
    x = 11,048,865,302.68/153,245.64
  6. Step 6: Final answer
    x = 72,099.05

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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.