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Finding the Fourth Proportional to 452,752.36, 679,186.82 and 137,153.68

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Solution

The fourth proportional to 452,752.36, 679,186.82 and 137,153.68 is: 205,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,752.36 : 679,186.82 = 137,153.68 : x
  2. Step 2: Convert to fraction form
    452,752.36/679,186.82 = 137,153.68/x
  3. Step 3: Cross multiply
    452,752.36x = 679,186.82 × 137,153.68
  4. Step 4: Simplify right side
    452,752.36x = 93,152,971,770.50
  5. Step 5: Solve for x
    x = 93,152,971,770.50/452,752.36
  6. Step 6: Final answer
    x = 205,748.17

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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.