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Finding the Fourth Proportional to 159,438,159.60, 238,779,325.80 and 159,438,159.60

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Solution

The fourth proportional to 159,438,159.60, 238,779,325.80 and 159,438,159.60 is: 238,779,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,438,159.60 : 238,779,325.80 = 159,438,159.60 : x
  2. Step 2: Convert to fraction form
    159,438,159.60/238,779,325.80 = 159,438,159.60/x
  3. Step 3: Cross multiply
    159,438,159.60x = 238,779,325.80 × 159,438,159.60
  4. Step 4: Simplify right side
    159,438,159.60x = 38,070,536,256,080,800
  5. Step 5: Solve for x
    x = 38,070,536,256,080,800/159,438,159.60
  6. Step 6: Final answer
    x = 238,779,325.80

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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.