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Finding the Fourth Proportional to 188,482.95, 282,773.63 and 98,531.64

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Solution

The fourth proportional to 188,482.95, 282,773.63 and 98,531.64 is: 147,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,482.95 : 282,773.63 = 98,531.64 : x
  2. Step 2: Convert to fraction form
    188,482.95/282,773.63 = 98,531.64/x
  3. Step 3: Cross multiply
    188,482.95x = 282,773.63 × 98,531.64
  4. Step 4: Simplify right side
    188,482.95x = 27,862,149,758.98
  5. Step 5: Solve for x
    x = 27,862,149,758.98/188,482.95
  6. Step 6: Final answer
    x = 147,823.18

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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.