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Finding the Fourth Proportional to 58,781.71, 88,160.77 and 28,783.02

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Solution

The fourth proportional to 58,781.71, 88,160.77 and 28,783.02 is: 43,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.71 : 88,160.77 = 28,783.02 : x
  2. Step 2: Convert to fraction form
    58,781.71/88,160.77 = 28,783.02/x
  3. Step 3: Cross multiply
    58,781.71x = 88,160.77 × 28,783.02
  4. Step 4: Simplify right side
    58,781.71x = 2,537,533,206.13
  5. Step 5: Solve for x
    x = 2,537,533,206.13/58,781.71
  6. Step 6: Final answer
    x = 43,168.75

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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.