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Finding the Fourth Proportional to 118,707.84, 178,148.88 and 95,613.12

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Solution

The fourth proportional to 118,707.84, 178,148.88 and 95,613.12 is: 143,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,707.84 : 178,148.88 = 95,613.12 : x
  2. Step 2: Convert to fraction form
    118,707.84/178,148.88 = 95,613.12/x
  3. Step 3: Cross multiply
    118,707.84x = 178,148.88 × 95,613.12
  4. Step 4: Simplify right side
    118,707.84x = 17,033,370,241.31
  5. Step 5: Solve for x
    x = 17,033,370,241.31/118,707.84
  6. Step 6: Final answer
    x = 143,489.85

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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.