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Finding the Fourth Proportional to 58,784.64, 88,176.96 and 34,147.20

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Solution

The fourth proportional to 58,784.64, 88,176.96 and 34,147.20 is: 51,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,784.64 : 88,176.96 = 34,147.20 : x
  2. Step 2: Convert to fraction form
    58,784.64/88,176.96 = 34,147.20/x
  3. Step 3: Cross multiply
    58,784.64x = 88,176.96 × 34,147.20
  4. Step 4: Simplify right side
    58,784.64x = 3,010,996,288.51
  5. Step 5: Solve for x
    x = 3,010,996,288.51/58,784.64
  6. Step 6: Final answer
    x = 51,220.80

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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.