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Finding the Fourth Proportional to 101,807.12, 152,756.04 and 39,482.48

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Solution

The fourth proportional to 101,807.12, 152,756.04 and 39,482.48 is: 59,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807.12 : 152,756.04 = 39,482.48 : x
  2. Step 2: Convert to fraction form
    101,807.12/152,756.04 = 39,482.48/x
  3. Step 3: Cross multiply
    101,807.12x = 152,756.04 × 39,482.48
  4. Step 4: Simplify right side
    101,807.12x = 6,031,187,294.18
  5. Step 5: Solve for x
    x = 6,031,187,294.18/101,807.12
  6. Step 6: Final answer
    x = 59,241.31

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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.