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Finding the Fourth Proportional to 101,065,629.20, 151,598,443.80 and 88,311,045.20

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Solution

The fourth proportional to 101,065,629.20, 151,598,443.80 and 88,311,045.20 is: 132,466,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,065,629.20 : 151,598,443.80 = 88,311,045.20 : x
  2. Step 2: Convert to fraction form
    101,065,629.20/151,598,443.80 = 88,311,045.20/x
  3. Step 3: Cross multiply
    101,065,629.20x = 151,598,443.80 × 88,311,045.20
  4. Step 4: Simplify right side
    101,065,629.20x = 13,387,817,022,671,462
  5. Step 5: Solve for x
    x = 13,387,817,022,671,462/101,065,629.20
  6. Step 6: Final answer
    x = 132,466,567.80

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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.