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Finding the Fourth Proportional to 152,878.60, 229,536.60 and 108,701.20

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Solution

The fourth proportional to 152,878.60, 229,536.60 and 108,701.20 is: 163,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,878.60 : 229,536.60 = 108,701.20 : x
  2. Step 2: Convert to fraction form
    152,878.60/229,536.60 = 108,701.20/x
  3. Step 3: Cross multiply
    152,878.60x = 229,536.60 × 108,701.20
  4. Step 4: Simplify right side
    152,878.60x = 24,950,903,863.92
  5. Step 5: Solve for x
    x = 24,950,903,863.92/152,878.60
  6. Step 6: Final answer
    x = 163,207.30

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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.