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Finding the Fourth Proportional to 159,343,611.60, 238,637,503.80 and 159,343,611.60

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Solution

The fourth proportional to 159,343,611.60, 238,637,503.80 and 159,343,611.60 is: 238,637,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,343,611.60 : 238,637,503.80 = 159,343,611.60 : x
  2. Step 2: Convert to fraction form
    159,343,611.60/238,637,503.80 = 159,343,611.60/x
  3. Step 3: Cross multiply
    159,343,611.60x = 238,637,503.80 × 159,343,611.60
  4. Step 4: Simplify right side
    159,343,611.60x = 38,025,361,718,700,728
  5. Step 5: Solve for x
    x = 38,025,361,718,700,728/159,343,611.60
  6. Step 6: Final answer
    x = 238,637,503.80

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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.