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Finding the Fourth Proportional to 270,925.76, 373,842.14 and 156,208.70

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Solution

The fourth proportional to 270,925.76, 373,842.14 and 156,208.70 is: 215,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,925.76 : 373,842.14 = 156,208.70 : x
  2. Step 2: Convert to fraction form
    270,925.76/373,842.14 = 156,208.70/x
  3. Step 3: Cross multiply
    270,925.76x = 373,842.14 × 156,208.70
  4. Step 4: Simplify right side
    270,925.76x = 58,397,394,848.18
  5. Step 5: Solve for x
    x = 58,397,394,848.18/270,925.76
  6. Step 6: Final answer
    x = 215,547.59

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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.