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Finding the Fourth Proportional to 307,836,050.11, 424,813,978.19 and 166,708,366.03

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Solution

The fourth proportional to 307,836,050.11, 424,813,978.19 and 166,708,366.03 is: 230,057,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,836,050.11 : 424,813,978.19 = 166,708,366.03 : x
  2. Step 2: Convert to fraction form
    307,836,050.11/424,813,978.19 = 166,708,366.03/x
  3. Step 3: Cross multiply
    307,836,050.11x = 424,813,978.19 × 166,708,366.03
  4. Step 4: Simplify right side
    307,836,050.11x = 70,820,044,168,848,264
  5. Step 5: Solve for x
    x = 70,820,044,168,848,264/307,836,050.11
  6. Step 6: Final answer
    x = 230,057,669.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.