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Finding the Fourth Proportional to 159,310,407.40, 238,965,611.10 and 159,310,407.40

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Solution

The fourth proportional to 159,310,407.40, 238,965,611.10 and 159,310,407.40 is: 238,965,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,310,407.40 : 238,965,611.10 = 159,310,407.40 : x
  2. Step 2: Convert to fraction form
    159,310,407.40/238,965,611.10 = 159,310,407.40/x
  3. Step 3: Cross multiply
    159,310,407.40x = 238,965,611.10 × 159,310,407.40
  4. Step 4: Simplify right side
    159,310,407.40x = 38,069,708,858,930,960
  5. Step 5: Solve for x
    x = 38,069,708,858,930,960/159,310,407.40
  6. Step 6: Final answer
    x = 238,965,611.10

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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.