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Finding the Fourth Proportional to 58,781.16, 88,159.93 and 28,782.44

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Solution

The fourth proportional to 58,781.16, 88,159.93 and 28,782.44 is: 43,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.16 : 88,159.93 = 28,782.44 : x
  2. Step 2: Convert to fraction form
    58,781.16/88,159.93 = 28,782.44/x
  3. Step 3: Cross multiply
    58,781.16x = 88,159.93 × 28,782.44
  4. Step 4: Simplify right side
    58,781.16x = 2,537,457,713.47
  5. Step 5: Solve for x
    x = 2,537,457,713.47/58,781.16
  6. Step 6: Final answer
    x = 43,167.87

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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.