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Finding the Fourth Proportional to 162,393.12, 224,102.76 and 90,773.07

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Solution

The fourth proportional to 162,393.12, 224,102.76 and 90,773.07 is: 125,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,393.12 : 224,102.76 = 90,773.07 : x
  2. Step 2: Convert to fraction form
    162,393.12/224,102.76 = 90,773.07/x
  3. Step 3: Cross multiply
    162,393.12x = 224,102.76 × 90,773.07
  4. Step 4: Simplify right side
    162,393.12x = 20,342,495,520.67
  5. Step 5: Solve for x
    x = 20,342,495,520.67/162,393.12
  6. Step 6: Final answer
    x = 125,266.98

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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.