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Finding the Fourth Proportional to 266,042.61, 367,108.65 and 152,901.81

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Solution

The fourth proportional to 266,042.61, 367,108.65 and 152,901.81 is: 210,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,042.61 : 367,108.65 = 152,901.81 : x
  2. Step 2: Convert to fraction form
    266,042.61/367,108.65 = 152,901.81/x
  3. Step 3: Cross multiply
    266,042.61x = 367,108.65 × 152,901.81
  4. Step 4: Simplify right side
    266,042.61x = 56,131,577,051.66
  5. Step 5: Solve for x
    x = 56,131,577,051.66/266,042.61
  6. Step 6: Final answer
    x = 210,987.17

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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.