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Finding the Fourth Proportional to 351,875.88, 527,771.16 and 99,175.32

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Solution

The fourth proportional to 351,875.88, 527,771.16 and 99,175.32 is: 148,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,875.88 : 527,771.16 = 99,175.32 : x
  2. Step 2: Convert to fraction form
    351,875.88/527,771.16 = 99,175.32/x
  3. Step 3: Cross multiply
    351,875.88x = 527,771.16 × 99,175.32
  4. Step 4: Simplify right side
    351,875.88x = 52,341,873,679.77
  5. Step 5: Solve for x
    x = 52,341,873,679.77/351,875.88
  6. Step 6: Final answer
    x = 148,750.96

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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.