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Finding the Fourth Proportional to 98,607.65, 136,144.19 and 58,334.31

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Solution

The fourth proportional to 98,607.65, 136,144.19 and 58,334.31 is: 80,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,607.65 : 136,144.19 = 58,334.31 : x
  2. Step 2: Convert to fraction form
    98,607.65/136,144.19 = 58,334.31/x
  3. Step 3: Cross multiply
    98,607.65x = 136,144.19 × 58,334.31
  4. Step 4: Simplify right side
    98,607.65x = 7,941,877,529.99
  5. Step 5: Solve for x
    x = 7,941,877,529.99/98,607.65
  6. Step 6: Final answer
    x = 80,540.18

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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.