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Finding the Fourth Proportional to 440,133.13, 660,199.70 and 124,592.77

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Solution

The fourth proportional to 440,133.13, 660,199.70 and 124,592.77 is: 186,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,133.13 : 660,199.70 = 124,592.77 : x
  2. Step 2: Convert to fraction form
    440,133.13/660,199.70 = 124,592.77/x
  3. Step 3: Cross multiply
    440,133.13x = 660,199.70 × 124,592.77
  4. Step 4: Simplify right side
    440,133.13x = 82,256,109,376.17
  5. Step 5: Solve for x
    x = 82,256,109,376.17/440,133.13
  6. Step 6: Final answer
    x = 186,889.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.