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Finding the Fourth Proportional to 152,035.64, 228,066.90 and 39,715

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Solution

The fourth proportional to 152,035.64, 228,066.90 and 39,715 is: 59,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,035.64 : 228,066.90 = 39,715 : x
  2. Step 2: Convert to fraction form
    152,035.64/228,066.90 = 39,715/x
  3. Step 3: Cross multiply
    152,035.64x = 228,066.90 × 39,715
  4. Step 4: Simplify right side
    152,035.64x = 9,057,676,933.50
  5. Step 5: Solve for x
    x = 9,057,676,933.50/152,035.64
  6. Step 6: Final answer
    x = 59,576.01

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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.