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Finding the Fourth Proportional to 158,840,644.60, 238,260,966.90 and 158,840,644.60

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Solution

The fourth proportional to 158,840,644.60, 238,260,966.90 and 158,840,644.60 is: 238,260,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,840,644.60 : 238,260,966.90 = 158,840,644.60 : x
  2. Step 2: Convert to fraction form
    158,840,644.60/238,260,966.90 = 158,840,644.60/x
  3. Step 3: Cross multiply
    158,840,644.60x = 238,260,966.90 × 158,840,644.60
  4. Step 4: Simplify right side
    158,840,644.60x = 37,845,525,565,415,264
  5. Step 5: Solve for x
    x = 37,845,525,565,415,264/158,840,644.60
  6. Step 6: Final answer
    x = 238,260,966.90

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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.