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Finding the Fourth Proportional to 141,159.66, 211,552.62 and 103,543.62

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Solution

The fourth proportional to 141,159.66, 211,552.62 and 103,543.62 is: 155,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,159.66 : 211,552.62 = 103,543.62 : x
  2. Step 2: Convert to fraction form
    141,159.66/211,552.62 = 103,543.62/x
  3. Step 3: Cross multiply
    141,159.66x = 211,552.62 × 103,543.62
  4. Step 4: Simplify right side
    141,159.66x = 21,904,924,095.28
  5. Step 5: Solve for x
    x = 21,904,924,095.28/141,159.66
  6. Step 6: Final answer
    x = 155,178.36

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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.