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Finding the Fourth Proportional to 162,913.59, 224,740.67 and 99,140.67

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Solution

The fourth proportional to 162,913.59, 224,740.67 and 99,140.67 is: 136,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,913.59 : 224,740.67 = 99,140.67 : x
  2. Step 2: Convert to fraction form
    162,913.59/224,740.67 = 99,140.67/x
  3. Step 3: Cross multiply
    162,913.59x = 224,740.67 × 99,140.67
  4. Step 4: Simplify right side
    162,913.59x = 22,280,940,104.35
  5. Step 5: Solve for x
    x = 22,280,940,104.35/162,913.59
  6. Step 6: Final answer
    x = 136,765.39

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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.