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Finding the Fourth Proportional to 119,920,672.60, 179,881,008.90 and 119,920,672.60

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Solution

The fourth proportional to 119,920,672.60, 179,881,008.90 and 119,920,672.60 is: 179,881,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,920,672.60 : 179,881,008.90 = 119,920,672.60 : x
  2. Step 2: Convert to fraction form
    119,920,672.60/179,881,008.90 = 119,920,672.60/x
  3. Step 3: Cross multiply
    119,920,672.60x = 179,881,008.90 × 119,920,672.60
  4. Step 4: Simplify right side
    119,920,672.60x = 21,571,451,575,254,584
  5. Step 5: Solve for x
    x = 21,571,451,575,254,584/119,920,672.60
  6. Step 6: Final answer
    x = 179,881,008.90

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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.