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Finding the Fourth Proportional to 201,643,293.30, 302,464,939.95 and 99,456,285.30

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Solution

The fourth proportional to 201,643,293.30, 302,464,939.95 and 99,456,285.30 is: 149,184,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,643,293.30 : 302,464,939.95 = 99,456,285.30 : x
  2. Step 2: Convert to fraction form
    201,643,293.30/302,464,939.95 = 99,456,285.30/x
  3. Step 3: Cross multiply
    201,643,293.30x = 302,464,939.95 × 99,456,285.30
  4. Step 4: Simplify right side
    201,643,293.30x = 30,082,039,360,914,564
  5. Step 5: Solve for x
    x = 30,082,039,360,914,564/201,643,293.30
  6. Step 6: Final answer
    x = 149,184,427.95

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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.