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Finding the Fourth Proportional to 162,502.53, 224,263.86 and 90,883.06

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Solution

The fourth proportional to 162,502.53, 224,263.86 and 90,883.06 is: 125,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,502.53 : 224,263.86 = 90,883.06 : x
  2. Step 2: Convert to fraction form
    162,502.53/224,263.86 = 90,883.06/x
  3. Step 3: Cross multiply
    162,502.53x = 224,263.86 × 90,883.06
  4. Step 4: Simplify right side
    162,502.53x = 20,381,786,971.05
  5. Step 5: Solve for x
    x = 20,381,786,971.05/162,502.53
  6. Step 6: Final answer
    x = 125,424.43

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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.