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Finding the Fourth Proportional to 162,572.63, 224,358.95 and 90,948.38

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Solution

The fourth proportional to 162,572.63, 224,358.95 and 90,948.38 is: 125,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,572.63 : 224,358.95 = 90,948.38 : x
  2. Step 2: Convert to fraction form
    162,572.63/224,358.95 = 90,948.38/x
  3. Step 3: Cross multiply
    162,572.63x = 224,358.95 × 90,948.38
  4. Step 4: Simplify right side
    162,572.63x = 20,405,082,586.26
  5. Step 5: Solve for x
    x = 20,405,082,586.26/162,572.63
  6. Step 6: Final answer
    x = 125,513.64

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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.