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Finding the Fourth Proportional to 159,652.74, 220,312.88 and 90,733.24

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Solution

The fourth proportional to 159,652.74, 220,312.88 and 90,733.24 is: 125,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,652.74 : 220,312.88 = 90,733.24 : x
  2. Step 2: Convert to fraction form
    159,652.74/220,312.88 = 90,733.24/x
  3. Step 3: Cross multiply
    159,652.74x = 220,312.88 × 90,733.24
  4. Step 4: Simplify right side
    159,652.74x = 19,989,701,416.13
  5. Step 5: Solve for x
    x = 19,989,701,416.13/159,652.74
  6. Step 6: Final answer
    x = 125,207.38

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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.