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Finding the Fourth Proportional to 162,543.54, 224,328.69 and 90,941.70

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Solution

The fourth proportional to 162,543.54, 224,328.69 and 90,941.70 is: 125,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,543.54 : 224,328.69 = 90,941.70 : x
  2. Step 2: Convert to fraction form
    162,543.54/224,328.69 = 90,941.70/x
  3. Step 3: Cross multiply
    162,543.54x = 224,328.69 × 90,941.70
  4. Step 4: Simplify right side
    162,543.54x = 20,400,832,427.37
  5. Step 5: Solve for x
    x = 20,400,832,427.37/162,543.54
  6. Step 6: Final answer
    x = 125,509.96

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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.