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Finding the Fourth Proportional to 98,336.65, 135,669.59 and 58,030.24

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Solution

The fourth proportional to 98,336.65, 135,669.59 and 58,030.24 is: 80,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,336.65 : 135,669.59 = 58,030.24 : x
  2. Step 2: Convert to fraction form
    98,336.65/135,669.59 = 58,030.24/x
  3. Step 3: Cross multiply
    98,336.65x = 135,669.59 × 58,030.24
  4. Step 4: Simplify right side
    98,336.65x = 7,872,938,578.25
  5. Step 5: Solve for x
    x = 7,872,938,578.25/98,336.65
  6. Step 6: Final answer
    x = 80,061.08

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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.