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Finding the Fourth Proportional to 98,368.80, 147,590.46 and 58,954.20

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Solution

The fourth proportional to 98,368.80, 147,590.46 and 58,954.20 is: 88,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,368.80 : 147,590.46 = 58,954.20 : x
  2. Step 2: Convert to fraction form
    98,368.80/147,590.46 = 58,954.20/x
  3. Step 3: Cross multiply
    98,368.80x = 147,590.46 × 58,954.20
  4. Step 4: Simplify right side
    98,368.80x = 8,701,077,496.93
  5. Step 5: Solve for x
    x = 8,701,077,496.93/98,368.80
  6. Step 6: Final answer
    x = 88,453.63

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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.