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Finding the Fourth Proportional to 270,748, 373,632.72 and 157,646.56

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Solution

The fourth proportional to 270,748, 373,632.72 and 157,646.56 is: 217,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,748 : 373,632.72 = 157,646.56 : x
  2. Step 2: Convert to fraction form
    270,748/373,632.72 = 157,646.56/x
  3. Step 3: Cross multiply
    270,748x = 373,632.72 × 157,646.56
  4. Step 4: Simplify right side
    270,748x = 58,901,913,011.44
  5. Step 5: Solve for x
    x = 58,901,913,011.44/270,748
  6. Step 6: Final answer
    x = 217,552.53

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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.