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Finding the Fourth Proportional to 243,524.77, 336,079.10 and 136,103.38

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Solution

The fourth proportional to 243,524.77, 336,079.10 and 136,103.38 is: 187,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,524.77 : 336,079.10 = 136,103.38 : x
  2. Step 2: Convert to fraction form
    243,524.77/336,079.10 = 136,103.38/x
  3. Step 3: Cross multiply
    243,524.77x = 336,079.10 × 136,103.38
  4. Step 4: Simplify right side
    243,524.77x = 45,741,501,457.36
  5. Step 5: Solve for x
    x = 45,741,501,457.36/243,524.77
  6. Step 6: Final answer
    x = 187,831.00

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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.