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Finding the Fourth Proportional to 270,838.13, 373,756.01 and 156,116.01

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Solution

The fourth proportional to 270,838.13, 373,756.01 and 156,116.01 is: 215,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,838.13 : 373,756.01 = 156,116.01 : x
  2. Step 2: Convert to fraction form
    270,838.13/373,756.01 = 156,116.01/x
  3. Step 3: Cross multiply
    270,838.13x = 373,756.01 × 156,116.01
  4. Step 4: Simplify right side
    270,838.13x = 58,349,296,214.14
  5. Step 5: Solve for x
    x = 58,349,296,214.14/270,838.13
  6. Step 6: Final answer
    x = 215,439.74

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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.