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Finding the Fourth Proportional to 67,935.51, 101,870.35 and 28,482.03

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Solution

The fourth proportional to 67,935.51, 101,870.35 and 28,482.03 is: 42,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,935.51 : 101,870.35 = 28,482.03 : x
  2. Step 2: Convert to fraction form
    67,935.51/101,870.35 = 28,482.03/x
  3. Step 3: Cross multiply
    67,935.51x = 101,870.35 × 28,482.03
  4. Step 4: Simplify right side
    67,935.51x = 2,901,474,293.61
  5. Step 5: Solve for x
    x = 2,901,474,293.61/67,935.51
  6. Step 6: Final answer
    x = 42,709.24

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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.