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Finding the Fourth Proportional to 98,607.50, 136,087.92 and 58,334.23

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Solution

The fourth proportional to 98,607.50, 136,087.92 and 58,334.23 is: 80,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,607.50 : 136,087.92 = 58,334.23 : x
  2. Step 2: Convert to fraction form
    98,607.50/136,087.92 = 58,334.23/x
  3. Step 3: Cross multiply
    98,607.50x = 136,087.92 × 58,334.23
  4. Step 4: Simplify right side
    98,607.50x = 7,938,583,594.18
  5. Step 5: Solve for x
    x = 7,938,583,594.18/98,607.50
  6. Step 6: Final answer
    x = 80,506.89

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1.5x scale

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.