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Finding the Fourth Proportional to 176,046,978.80, 263,818,525.80 and 129,626,591.60

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Solution

The fourth proportional to 176,046,978.80, 263,818,525.80 and 129,626,591.60 is: 194,254,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,046,978.80 : 263,818,525.80 = 129,626,591.60 : x
  2. Step 2: Convert to fraction form
    176,046,978.80/263,818,525.80 = 129,626,591.60/x
  3. Step 3: Cross multiply
    176,046,978.80x = 263,818,525.80 × 129,626,591.60
  4. Step 4: Simplify right side
    176,046,978.80x = 34,197,896,300,390,664
  5. Step 5: Solve for x
    x = 34,197,896,300,390,664/176,046,978.80
  6. Step 6: Final answer
    x = 194,254,377.63

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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.