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Finding the Fourth Proportional to 106,701,710.40, 149,785,502.40 and 106,701,710.40

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Solution

The fourth proportional to 106,701,710.40, 149,785,502.40 and 106,701,710.40 is: 149,785,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,701,710.40 : 149,785,502.40 = 106,701,710.40 : x
  2. Step 2: Convert to fraction form
    106,701,710.40/149,785,502.40 = 106,701,710.40/x
  3. Step 3: Cross multiply
    106,701,710.40x = 149,785,502.40 × 106,701,710.40
  4. Step 4: Simplify right side
    106,701,710.40x = 15,982,369,299,203,306
  5. Step 5: Solve for x
    x = 15,982,369,299,203,306/106,701,710.40
  6. Step 6: Final answer
    x = 149,785,502.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.