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Finding the Fourth Proportional to 162,562.20, 243,746.10 and 83,830.20

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Solution

The fourth proportional to 162,562.20, 243,746.10 and 83,830.20 is: 125,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,562.20 : 243,746.10 = 83,830.20 : x
  2. Step 2: Convert to fraction form
    162,562.20/243,746.10 = 83,830.20/x
  3. Step 3: Cross multiply
    162,562.20x = 243,746.10 × 83,830.20
  4. Step 4: Simplify right side
    162,562.20x = 20,433,284,312.22
  5. Step 5: Solve for x
    x = 20,433,284,312.22/162,562.20
  6. Step 6: Final answer
    x = 125,695.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.