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Finding the Fourth Proportional to 101,482.38, 152,364.36 and 63,931.59

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Solution

The fourth proportional to 101,482.38, 152,364.36 and 63,931.59 is: 95,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,482.38 : 152,364.36 = 63,931.59 : x
  2. Step 2: Convert to fraction form
    101,482.38/152,364.36 = 63,931.59/x
  3. Step 3: Cross multiply
    101,482.38x = 152,364.36 × 63,931.59
  4. Step 4: Simplify right side
    101,482.38x = 9,740,895,794.13
  5. Step 5: Solve for x
    x = 9,740,895,794.13/101,482.38
  6. Step 6: Final answer
    x = 95,986.08

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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.