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Finding the Fourth Proportional to 98,750.16, 136,277.21 and 58,449.22

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Solution

The fourth proportional to 98,750.16, 136,277.21 and 58,449.22 is: 80,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,750.16 : 136,277.21 = 58,449.22 : x
  2. Step 2: Convert to fraction form
    98,750.16/136,277.21 = 58,449.22/x
  3. Step 3: Cross multiply
    98,750.16x = 136,277.21 × 58,449.22
  4. Step 4: Simplify right side
    98,750.16x = 7,965,296,433.71
  5. Step 5: Solve for x
    x = 7,965,296,433.71/98,750.16
  6. Step 6: Final answer
    x = 80,661.10

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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.