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Finding the Fourth Proportional to 242,513.90, 334,651.98 and 133,613.48

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Solution

The fourth proportional to 242,513.90, 334,651.98 and 133,613.48 is: 184,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,513.90 : 334,651.98 = 133,613.48 : x
  2. Step 2: Convert to fraction form
    242,513.90/334,651.98 = 133,613.48/x
  3. Step 3: Cross multiply
    242,513.90x = 334,651.98 × 133,613.48
  4. Step 4: Simplify right side
    242,513.90x = 44,714,015,636.69
  5. Step 5: Solve for x
    x = 44,714,015,636.69/242,513.90
  6. Step 6: Final answer
    x = 184,377.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.