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Finding the Fourth Proportional to 308,646.19, 463,013.65 and 95,430.73

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Solution

The fourth proportional to 308,646.19, 463,013.65 and 95,430.73 is: 143,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,646.19 : 463,013.65 = 95,430.73 : x
  2. Step 2: Convert to fraction form
    308,646.19/463,013.65 = 95,430.73/x
  3. Step 3: Cross multiply
    308,646.19x = 463,013.65 × 95,430.73
  4. Step 4: Simplify right side
    308,646.19x = 44,185,730,619.46
  5. Step 5: Solve for x
    x = 44,185,730,619.46/308,646.19
  6. Step 6: Final answer
    x = 143,159.81

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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.