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Finding the Fourth Proportional to 211,527.76, 291,908.76 and 116,035.24

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Solution

The fourth proportional to 211,527.76, 291,908.76 and 116,035.24 is: 160,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,527.76 : 291,908.76 = 116,035.24 : x
  2. Step 2: Convert to fraction form
    211,527.76/291,908.76 = 116,035.24/x
  3. Step 3: Cross multiply
    211,527.76x = 291,908.76 × 116,035.24
  4. Step 4: Simplify right side
    211,527.76x = 33,871,703,024.70
  5. Step 5: Solve for x
    x = 33,871,703,024.70/211,527.76
  6. Step 6: Final answer
    x = 160,128.88

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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.