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Finding the Fourth Proportional to 285,755.04, 428,332.47 and 96,149.58

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Solution

The fourth proportional to 285,755.04, 428,332.47 and 96,149.58 is: 144,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,755.04 : 428,332.47 = 96,149.58 : x
  2. Step 2: Convert to fraction form
    285,755.04/428,332.47 = 96,149.58/x
  3. Step 3: Cross multiply
    285,755.04x = 428,332.47 × 96,149.58
  4. Step 4: Simplify right side
    285,755.04x = 41,183,987,090.86
  5. Step 5: Solve for x
    x = 41,183,987,090.86/285,755.04
  6. Step 6: Final answer
    x = 144,123.40

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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.