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Finding the Fourth Proportional to 167,640,502.80, 250,956,869.40 and 99,448,093.20

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Solution

The fourth proportional to 167,640,502.80, 250,956,869.40 and 99,448,093.20 is: 148,873,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,640,502.80 : 250,956,869.40 = 99,448,093.20 : x
  2. Step 2: Convert to fraction form
    167,640,502.80/250,956,869.40 = 99,448,093.20/x
  3. Step 3: Cross multiply
    167,640,502.80x = 250,956,869.40 × 99,448,093.20
  4. Step 4: Simplify right side
    167,640,502.80x = 24,957,182,137,271,428
  5. Step 5: Solve for x
    x = 24,957,182,137,271,428/167,640,502.80
  6. Step 6: Final answer
    x = 148,873,224.07

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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.