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Finding the Fourth Proportional to 243,526.64, 336,065.68 and 136,096.64

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Solution

The fourth proportional to 243,526.64, 336,065.68 and 136,096.64 is: 187,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,526.64 : 336,065.68 = 136,096.64 : x
  2. Step 2: Convert to fraction form
    243,526.64/336,065.68 = 136,096.64/x
  3. Step 3: Cross multiply
    243,526.64x = 336,065.68 × 136,096.64
  4. Step 4: Simplify right side
    243,526.64x = 45,737,409,867.32
  5. Step 5: Solve for x
    x = 45,737,409,867.32/243,526.64
  6. Step 6: Final answer
    x = 187,812.76

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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.