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Finding the Fourth Proportional to 243,883.86, 336,566.97 and 136,451.46

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Solution

The fourth proportional to 243,883.86, 336,566.97 and 136,451.46 is: 188,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,883.86 : 336,566.97 = 136,451.46 : x
  2. Step 2: Convert to fraction form
    243,883.86/336,566.97 = 136,451.46/x
  3. Step 3: Cross multiply
    243,883.86x = 336,566.97 × 136,451.46
  4. Step 4: Simplify right side
    243,883.86x = 45,925,054,444.28
  5. Step 5: Solve for x
    x = 45,925,054,444.28/243,883.86
  6. Step 6: Final answer
    x = 188,307.07

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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.