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Finding the Fourth Proportional to 95,825.80, 143,766.72 and 28,359.60

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Solution

The fourth proportional to 95,825.80, 143,766.72 and 28,359.60 is: 42,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,825.80 : 143,766.72 = 28,359.60 : x
  2. Step 2: Convert to fraction form
    95,825.80/143,766.72 = 28,359.60/x
  3. Step 3: Cross multiply
    95,825.80x = 143,766.72 × 28,359.60
  4. Step 4: Simplify right side
    95,825.80x = 4,077,166,672.51
  5. Step 5: Solve for x
    x = 4,077,166,672.51/95,825.80
  6. Step 6: Final answer
    x = 42,547.69

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1.5x scale

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.