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Finding the Fourth Proportional to 308,750.08, 463,168.86 and 98,316.94

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Solution

The fourth proportional to 308,750.08, 463,168.86 and 98,316.94 is: 147,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,750.08 : 463,168.86 = 98,316.94 : x
  2. Step 2: Convert to fraction form
    308,750.08/463,168.86 = 98,316.94/x
  3. Step 3: Cross multiply
    308,750.08x = 463,168.86 × 98,316.94
  4. Step 4: Simplify right side
    308,750.08x = 45,537,345,018.49
  5. Step 5: Solve for x
    x = 45,537,345,018.49/308,750.08
  6. Step 6: Final answer
    x = 147,489.34

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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.