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Finding the Fourth Proportional to 122,978,797.80, 184,468,196.70 and 32,102,386.80

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Solution

The fourth proportional to 122,978,797.80, 184,468,196.70 and 32,102,386.80 is: 48,153,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,978,797.80 : 184,468,196.70 = 32,102,386.80 : x
  2. Step 2: Convert to fraction form
    122,978,797.80/184,468,196.70 = 32,102,386.80/x
  3. Step 3: Cross multiply
    122,978,797.80x = 184,468,196.70 × 32,102,386.80
  4. Step 4: Simplify right side
    122,978,797.80x = 5,921,869,402,761,883
  5. Step 5: Solve for x
    x = 5,921,869,402,761,883/122,978,797.80
  6. Step 6: Final answer
    x = 48,153,580.20

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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.