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Finding the Fourth Proportional to 308,646.08, 463,013.47 and 95,430.60

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Solution

The fourth proportional to 308,646.08, 463,013.47 and 95,430.60 is: 143,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,646.08 : 463,013.47 = 95,430.60 : x
  2. Step 2: Convert to fraction form
    308,646.08/463,013.47 = 95,430.60/x
  3. Step 3: Cross multiply
    308,646.08x = 463,013.47 × 95,430.60
  4. Step 4: Simplify right side
    308,646.08x = 44,185,653,011.61
  5. Step 5: Solve for x
    x = 44,185,653,011.61/308,646.08
  6. Step 6: Final answer
    x = 143,159.61

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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.