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Finding the Fourth Proportional to 308,094.96, 425,182.32 and 170,275.08

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Solution

The fourth proportional to 308,094.96, 425,182.32 and 170,275.08 is: 234,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,094.96 : 425,182.32 = 170,275.08 : x
  2. Step 2: Convert to fraction form
    308,094.96/425,182.32 = 170,275.08/x
  3. Step 3: Cross multiply
    308,094.96x = 425,182.32 × 170,275.08
  4. Step 4: Simplify right side
    308,094.96x = 72,397,953,552.59
  5. Step 5: Solve for x
    x = 72,397,953,552.59/308,094.96
  6. Step 6: Final answer
    x = 234,985.84

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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.