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Finding the Fourth Proportional to 96,605.76, 133,315.92 and 58,880.16

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Solution

The fourth proportional to 96,605.76, 133,315.92 and 58,880.16 is: 81,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,605.76 : 133,315.92 = 58,880.16 : x
  2. Step 2: Convert to fraction form
    96,605.76/133,315.92 = 58,880.16/x
  3. Step 3: Cross multiply
    96,605.76x = 133,315.92 × 58,880.16
  4. Step 4: Simplify right side
    96,605.76x = 7,849,662,700.15
  5. Step 5: Solve for x
    x = 7,849,662,700.15/96,605.76
  6. Step 6: Final answer
    x = 81,254.60

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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.