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Finding the Fourth Proportional to 170,303.64, 234,983.08 and 98,679.32

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Solution

The fourth proportional to 170,303.64, 234,983.08 and 98,679.32 is: 136,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,303.64 : 234,983.08 = 98,679.32 : x
  2. Step 2: Convert to fraction form
    170,303.64/234,983.08 = 98,679.32/x
  3. Step 3: Cross multiply
    170,303.64x = 234,983.08 × 98,679.32
  4. Step 4: Simplify right side
    170,303.64x = 23,187,970,545.91
  5. Step 5: Solve for x
    x = 23,187,970,545.91/170,303.64
  6. Step 6: Final answer
    x = 136,156.63

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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.